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@@ -95,7 +95,7 @@
|
||||
<h1 class="cover"><span>Robolectric</span><wbr><span>Ble</span><wbr><span><span>Bonding</span></span></h1>
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||||
<div class="platform-hinted with-platform-tabs" data-platform-hinted="data-platform-hinted">
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<div class="platform-bookmarks-row" data-toggle-list="data-toggle-list"><button class="platform-bookmark" data-filterable-current=":core:testing/androidMain" data-filterable-set=":core:testing/androidMain" data-active="" data-toggle=":core:testing/androidMain">android</button></div>
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||||
<div class="content sourceset-dependent-content" data-active="" data-togglable=":core:testing/androidMain"><div class="symbol monospace"><span class="token keyword">object </span><a href="index.html">RobolectricBleBonding</a><span class="source-link-wrapper"><span class="source-link" data-element-type="source-link">(<a href="https://github.com/meshtastic/Meshtastic-Android/blob/main/core/testing/src/androidMain/kotlin/org/meshtastic/core/testing/RobolectricBleBonding.kt#L44">source</a>)</span></span></div><p class="paragraph">Reusable Robolectric helpers for driving Android Bluetooth bonding logic in <code class="lang-kotlin">androidHostTest</code> source sets.</p><p class="paragraph">These let a unit test exercise the real <code class="lang-kotlin">AndroidBluetoothRepository.bond()</code> (and any future BLE bonding code) without an emulator and without a production seam. They rely on two Robolectric behaviors (verified against Robolectric 4.16.x):</p><ul><li><p class="paragraph"><a href="https://developer.android.com/reference/kotlin/android/bluetooth/BluetoothAdapter.html#getremotedevice">android.bluetooth.BluetoothAdapter.getRemoteDevice</a> caches the returned <a href="https://developer.android.com/reference/kotlin/android/bluetooth/BluetoothDevice.html">BluetoothDevice</a> by address in a static map, so the shadow configured here is the <i>same</i> instance production code reads when it calls <code class="lang-kotlin">getRemoteDevice(mac)</code> internally.</p></li><li><p class="paragraph"><span data-unresolved-link="org.robolectric.shadows/ShadowBluetoothDevice/createBond/#/PointingToDeclaration/">ShadowBluetoothDevice.createBond</span> calls <code class="lang-kotlin">checkForBluetoothConnectPermission()</code> first, so tests must call <a href="grant-bluetooth-connect-permission.html">grantBluetoothConnectPermission</a> or <code class="lang-kotlin">createBond()</code> throws <a href="https://developer.android.com/reference/kotlin/java/lang/SecurityException.html">SecurityException</a> instead of returning a value.</p></li></ul><p class="paragraph">Isolation note: because the device cache is static and survives across tests in the same JVM, give each test a distinct MAC so bond-state cannot bleed between tests.</p></div> </div>
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||||
<div class="content sourceset-dependent-content" data-active="" data-togglable=":core:testing/androidMain"><div class="symbol monospace"><span class="token keyword">object </span><a href="index.html">RobolectricBleBonding</a><span class="source-link-wrapper"><span class="source-link" data-element-type="source-link">(<a href="https://github.com/meshtastic/Meshtastic-Android/blob/main/core/testing/src/androidMain/kotlin/org/meshtastic/core/testing/RobolectricBleBonding.kt#L44">source</a>)</span></span></div><p class="paragraph">Reusable Robolectric helpers for driving Android Bluetooth bonding logic in <code class="lang-kotlin">androidHostTest</code> source sets.</p><p class="paragraph">These let a unit test exercise the real <code class="lang-kotlin">AndroidBluetoothRepository.bond()</code> (and any future BLE bonding code) without an emulator and without a production seam. They rely on two Robolectric behaviors (verified against Robolectric 4.16.x):</p><ul><li><p class="paragraph"><a href="https://developer.android.com/reference/kotlin/android/bluetooth/BluetoothAdapter.html#getRemoteDevice(kotlin.ByteArray)">android.bluetooth.BluetoothAdapter.getRemoteDevice</a> caches the returned <a href="https://developer.android.com/reference/kotlin/android/bluetooth/BluetoothDevice.html">BluetoothDevice</a> by address in a static map, so the shadow configured here is the <i>same</i> instance production code reads when it calls <code class="lang-kotlin">getRemoteDevice(mac)</code> internally.</p></li><li><p class="paragraph"><span data-unresolved-link="org.robolectric.shadows/ShadowBluetoothDevice/createBond/#/PointingToDeclaration/">ShadowBluetoothDevice.createBond</span> calls <code class="lang-kotlin">checkForBluetoothConnectPermission()</code> first, so tests must call <a href="grant-bluetooth-connect-permission.html">grantBluetoothConnectPermission</a> or <code class="lang-kotlin">createBond()</code> throws <a href="https://developer.android.com/reference/kotlin/java/lang/SecurityException.html">SecurityException</a> instead of returning a value.</p></li></ul><p class="paragraph">Isolation note: because the device cache is static and survives across tests in the same JVM, give each test a distinct MAC so bond-state cannot bleed between tests.</p></div> </div>
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</div>
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<div class="tabbedcontent">
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<div class="tabs-section" tabs-section="tabs-section"><button class="section-tab" data-active="" data-togglable="CONSTRUCTOR,TYPE,PROPERTY,FUNCTION">Members</button></div>
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@@ -110,7 +110,7 @@ Radio signal quality information:
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### Signal Quality Reference
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Signal quality is rated from **SNR relative to the active LoRa modem preset's demodulation floor**, not from fixed thresholds — a given SNR means different things on different presets (e.g. −15 dB is fine on LongSlow but unusable on ShortFast). RSSI is shown but is not part of the rating. In the table, _limit_ is the preset's SNR limit.
|
||||
Signal quality is rated from **SNR relative to the active LoRa modem preset's demodulation floor**, not from fixed thresholds — a given SNR means different things on different presets (e.g. −15 dB is fine on LongSlow but unusable on ShortFast). When RSSI and a noise-floor reading are both available, the app also rates their difference against the preset limit and uses the worse rating. Otherwise, RSSI is display-only. In the table, _limit_ is the preset's SNR limit.
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Quality | Criteria |
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||||
------- | ---------------------------------------------------------------- |
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@@ -145,6 +145,8 @@ Tap the hop-histogram icon in the node list's app bar to open a bar chart of how
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Tapping a node opens the detail view with comprehensive information. See [Node Metrics](node-metrics) for full details on metrics and telemetry.
|
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Signal quality is rated against your modem preset. The same SNR can be good on a long-range preset and poor on a faster one. Traceroute and neighbor-info SNR colors use that preset too. RSSI text has its own strength colors; it affects the quality rating only when a noise-floor reading is also available.
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The Details card carries the node's short name, role, IDs, last heard time, hops away, uptime, and its SNR and RSSI:
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@@ -107,13 +107,13 @@ The Lite, Narrow, Medium Turbo, and Tiny presets need firmware 2.8 or newer —
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Short Slow | ~5 km | 6.25 kbps | −10 dB | Suburban short-range; moderate building density |
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Medium Fast | ~5 km | 3.52 kbps | −12.5 dB | Suburban areas; moderate building density |
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||||
Medium Slow | ~8 km | 1.95 kbps | −15 dB | Suburban/rural; moderate range with slower speed |
|
||||
Long Turbo | ~10 km | 1.34 kbps | −12.5 dB | Similar range to Long Fast but with 500 kHz bandwidth; faster throughput |
|
||||
Long Turbo | ~10 km | 1.34 kbps | −17.5 dB | Similar range to Long Fast but with 500 kHz bandwidth; faster throughput |
|
||||
Long Fast | ~10 km | 1.1 kbps | −17.5 dB | **General use (default)** — balanced range and speed |
|
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Long Moderate | ~20 km | 0.34 kbps | −17.5 dB | Rural with some terrain; occasional use |
|
||||
Lite Fast | ~5 km | 1.76 kbps | −12.5 dB | EU 866 MHz SRD band (125 kHz BW); comparable to Medium Fast |
|
||||
Lite Slow | ~10 km | 0.98 kbps | −15 dB | EU 866 MHz SRD band (125 kHz BW); comparable to Long Fast |
|
||||
Narrow Fast | ~5 km | 2.28 kbps | −10 dB | EU 868 MHz band (62.5 kHz BW); avoids interference with other devices |
|
||||
Narrow Slow | ~10 km | 1.30 kbps | −12.5 dB | EU 868 MHz band (62.5 kHz BW); comparable to Long Fast |
|
||||
Narrow Fast | ~5 km | 2.28 kbps | −7.5 dB | EU 868 MHz band (62.5 kHz BW); avoids interference with other devices |
|
||||
Narrow Slow | ~10 km | 1.30 kbps | −10 dB | EU 868 MHz band (62.5 kHz BW); comparable to Long Fast |
|
||||
Medium Turbo | ~5 km | 7.0 kbps | −12.5 dB | Like Medium Fast but with 500 kHz bandwidth; not legal in every region. Needs firmware 2.8 or newer |
|
||||
Tiny Fast | ~10 km | 0.68 kbps | −7.5 dB | Amateur bands that cap occupied bandwidth; these presets use 15.6 kHz. Needs firmware 2.8 or newer, an SX126x or SX127x radio, and a TCXO of ±5 ppm or better |
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||||
Tiny Slow | ~20 km | 0.33 kbps | −10 dB | Same band restrictions as Tiny Fast, longer range. Same firmware, radio, and TCXO requirements |
|
||||
|
||||
@@ -28,7 +28,7 @@ Each modem preset has an SNR limit: the lowest SNR at which that preset can stil
|
||||
|
||||
## Rating Signal Quality
|
||||
|
||||
The app rates signal quality (None, Bad, Fair, or Good) from SNR alone, measured against the active preset's SNR limit. It does not factor in RSSI: without knowing the local noise floor, RSSI alone cannot say whether a signal is decodable. RSSI is still available — on the node detail screen and in the metrics charts.
|
||||
The app rates signal quality (None, Bad, Fair, or Good) from SNR relative to the active preset's SNR limit. When RSSI and a noise-floor reading are both available, it also rates the difference between them against that limit and uses the worse rating. Otherwise, it uses SNR alone.
|
||||
|
||||
Because the rating is relative to the preset, the same SNR rates differently on different presets. An SNR of −16 dB rates Good on Long Fast (SNR limit −17.5 dB) but None on Short Fast (SNR limit −7.5 dB). Let `limit` be the active preset's SNR limit:
|
||||
|
||||
@@ -41,7 +41,7 @@ Because the rating is relative to the preset, the same SNR rates differently on
|
||||
|
||||
The icon never goes blank, so count the bars carefully: a single bar means None, not a weak but usable link, and Good is a solid wedge rather than a set of bars. A gray three-bar icon labeled Unknown is a different state again — the packet carried no SNR measurement at all, which is not the same as measuring one and finding it too weak.
|
||||
|
||||
> ℹ️ **Note:** Traceroute hop colors use fixed thresholds (−7 dB / −15 dB); the per-node signal meter uses the preset-relative rating instead.
|
||||
> ℹ️ **Note:** Traceroute and neighbor-info SNR colors use the active preset's limits too. RSSI text has separate strength colors: green above −115 dBm, yellow above −120 dBm, orange above −126 dBm, and red at or below −126 dBm.
|
||||
|
||||
## Diagnosing Local Interference
|
||||
|
||||
|
||||
@@ -110,7 +110,7 @@ Radio signal quality information:
|
||||
|
||||
### Signal Quality Reference
|
||||
|
||||
Signal quality is rated from **SNR relative to the active LoRa modem preset's demodulation floor**, not from fixed thresholds — a given SNR means different things on different presets (e.g. −15 dB is fine on LongSlow but unusable on ShortFast). RSSI is shown but is not part of the rating. In the table, _limit_ is the preset's SNR limit.
|
||||
Signal quality is rated from **SNR relative to the active LoRa modem preset's demodulation floor**, not from fixed thresholds — a given SNR means different things on different presets (e.g. −15 dB is fine on LongSlow but unusable on ShortFast). When RSSI and a noise-floor reading are both available, the app also rates their difference against the preset limit and uses the worse rating. Otherwise, RSSI is display-only. In the table, _limit_ is the preset's SNR limit.
|
||||
|
||||
Quality | Criteria |
|
||||
------- | ---------------------------------------------------------------- |
|
||||
|
||||
@@ -145,6 +145,8 @@ Tap the hop-histogram icon in the node list's app bar to open a bar chart of how
|
||||
|
||||
Tapping a node opens the detail view with comprehensive information. See [Node Metrics](node-metrics) for full details on metrics and telemetry.
|
||||
|
||||
Signal quality is rated against your modem preset. The same SNR can be good on a long-range preset and poor on a faster one. Traceroute and neighbor-info SNR colors use that preset too. RSSI text has its own strength colors; it affects the quality rating only when a noise-floor reading is also available.
|
||||
|
||||
The Details card carries the node's short name, role, IDs, last heard time, hops away, uptime, and its SNR and RSSI:
|
||||
|
||||
|
||||
|
||||
@@ -107,13 +107,13 @@ The Lite, Narrow, Medium Turbo, and Tiny presets need firmware 2.8 or newer —
|
||||
Short Slow | ~5 km | 6.25 kbps | −10 dB | Suburban short-range; moderate building density |
|
||||
Medium Fast | ~5 km | 3.52 kbps | −12.5 dB | Suburban areas; moderate building density |
|
||||
Medium Slow | ~8 km | 1.95 kbps | −15 dB | Suburban/rural; moderate range with slower speed |
|
||||
Long Turbo | ~10 km | 1.34 kbps | −12.5 dB | Similar range to Long Fast but with 500 kHz bandwidth; faster throughput |
|
||||
Long Turbo | ~10 km | 1.34 kbps | −17.5 dB | Similar range to Long Fast but with 500 kHz bandwidth; faster throughput |
|
||||
Long Fast | ~10 km | 1.1 kbps | −17.5 dB | **General use (default)** — balanced range and speed |
|
||||
Long Moderate | ~20 km | 0.34 kbps | −17.5 dB | Rural with some terrain; occasional use |
|
||||
Lite Fast | ~5 km | 1.76 kbps | −12.5 dB | EU 866 MHz SRD band (125 kHz BW); comparable to Medium Fast |
|
||||
Lite Slow | ~10 km | 0.98 kbps | −15 dB | EU 866 MHz SRD band (125 kHz BW); comparable to Long Fast |
|
||||
Narrow Fast | ~5 km | 2.28 kbps | −10 dB | EU 868 MHz band (62.5 kHz BW); avoids interference with other devices |
|
||||
Narrow Slow | ~10 km | 1.30 kbps | −12.5 dB | EU 868 MHz band (62.5 kHz BW); comparable to Long Fast |
|
||||
Narrow Fast | ~5 km | 2.28 kbps | −7.5 dB | EU 868 MHz band (62.5 kHz BW); avoids interference with other devices |
|
||||
Narrow Slow | ~10 km | 1.30 kbps | −10 dB | EU 868 MHz band (62.5 kHz BW); comparable to Long Fast |
|
||||
Medium Turbo | ~5 km | 7.0 kbps | −12.5 dB | Like Medium Fast but with 500 kHz bandwidth; not legal in every region. Needs firmware 2.8 or newer |
|
||||
Tiny Fast | ~10 km | 0.68 kbps | −7.5 dB | Amateur bands that cap occupied bandwidth; these presets use 15.6 kHz. Needs firmware 2.8 or newer, an SX126x or SX127x radio, and a TCXO of ±5 ppm or better |
|
||||
Tiny Slow | ~20 km | 0.33 kbps | −10 dB | Same band restrictions as Tiny Fast, longer range. Same firmware, radio, and TCXO requirements |
|
||||
|
||||
@@ -28,7 +28,7 @@ Each modem preset has an SNR limit: the lowest SNR at which that preset can stil
|
||||
|
||||
## Rating Signal Quality
|
||||
|
||||
The app rates signal quality (None, Bad, Fair, or Good) from SNR alone, measured against the active preset's SNR limit. It does not factor in RSSI: without knowing the local noise floor, RSSI alone cannot say whether a signal is decodable. RSSI is still available — on the node detail screen and in the metrics charts.
|
||||
The app rates signal quality (None, Bad, Fair, or Good) from SNR relative to the active preset's SNR limit. When RSSI and a noise-floor reading are both available, it also rates the difference between them against that limit and uses the worse rating. Otherwise, it uses SNR alone.
|
||||
|
||||
Because the rating is relative to the preset, the same SNR rates differently on different presets. An SNR of −16 dB rates Good on Long Fast (SNR limit −17.5 dB) but None on Short Fast (SNR limit −7.5 dB). Let `limit` be the active preset's SNR limit:
|
||||
|
||||
@@ -41,7 +41,7 @@ Because the rating is relative to the preset, the same SNR rates differently on
|
||||
|
||||
The icon never goes blank, so count the bars carefully: a single bar means None, not a weak but usable link, and Good is a solid wedge rather than a set of bars. A gray three-bar icon labeled Unknown is a different state again — the packet carried no SNR measurement at all, which is not the same as measuring one and finding it too weak.
|
||||
|
||||
> ℹ️ **Note:** Traceroute hop colors use fixed thresholds (−7 dB / −15 dB); the per-node signal meter uses the preset-relative rating instead.
|
||||
> ℹ️ **Note:** Traceroute and neighbor-info SNR colors use the active preset's limits too. RSSI text has separate strength colors: green above −115 dBm, yellow above −120 dBm, orange above −126 dBm, and red at or below −126 dBm.
|
||||
|
||||
## Diagnosing Local Interference
|
||||
|
||||
|
||||
@@ -110,7 +110,7 @@ Radio signal quality information:
|
||||
|
||||
### Signal Quality Reference
|
||||
|
||||
Signal quality is rated from **SNR relative to the active LoRa modem preset's demodulation floor**, not from fixed thresholds — a given SNR means different things on different presets (e.g. −15 dB is fine on LongSlow but unusable on ShortFast). RSSI is shown but is not part of the rating. In the table, _limit_ is the preset's SNR limit.
|
||||
Signal quality is rated from **SNR relative to the active LoRa modem preset's demodulation floor**, not from fixed thresholds — a given SNR means different things on different presets (e.g. −15 dB is fine on LongSlow but unusable on ShortFast). When RSSI and a noise-floor reading are both available, the app also rates their difference against the preset limit and uses the worse rating. Otherwise, RSSI is display-only. In the table, _limit_ is the preset's SNR limit.
|
||||
|
||||
Quality | Criteria |
|
||||
------------- | ---------------------------------------------------------------- |
|
||||
|
||||
@@ -145,6 +145,8 @@ Tap the hop-histogram icon in the node list's app bar to open a bar chart of how
|
||||
|
||||
Tapping a node opens the detail view with comprehensive information. See [Node Metrics](node-metrics) for full details on metrics and telemetry.
|
||||
|
||||
Signal quality is rated against your modem preset. The same SNR can be good on a long-range preset and poor on a faster one. Traceroute and neighbor-info SNR colors use that preset too. RSSI text has its own strength colors; it affects the quality rating only when a noise-floor reading is also available.
|
||||
|
||||
The Details card carries the node's short name, role, IDs, last heard time, hops away, uptime, and its SNR and RSSI:
|
||||
|
||||
|
||||
|
||||
@@ -107,13 +107,13 @@ The Lite, Narrow, Medium Turbo, and Tiny presets need firmware 2.8 or newer —
|
||||
Short Slow | ~5 km | 6.25 kbps | −10 dB | Suburban short-range; moderate building density |
|
||||
Medium Fast | ~5 km | 3.52 kbps | −12.5 dB | Suburban areas; moderate building density |
|
||||
Medium Slow | ~8 km | 1.95 kbps | −15 dB | Suburban/rural; moderate range with slower speed |
|
||||
Long Turbo | ~10 km | 1.34 kbps | −12.5 dB | Similar range to Long Fast but with 500 kHz bandwidth; faster throughput |
|
||||
Long Turbo | ~10 km | 1.34 kbps | −17.5 dB | Similar range to Long Fast but with 500 kHz bandwidth; faster throughput |
|
||||
Long Fast | ~10 km | 1.1 kbps | −17.5 dB | **General use (default)** — balanced range and speed |
|
||||
Long Moderate | ~20 km | 0.34 kbps | −17.5 dB | Rural with some terrain; occasional use |
|
||||
Lite Fast | ~5 km | 1.76 kbps | −12.5 dB | EU 866 MHz SRD band (125 kHz BW); comparable to Medium Fast |
|
||||
Lite Slow | ~10 km | 0.98 kbps | −15 dB | EU 866 MHz SRD band (125 kHz BW); comparable to Long Fast |
|
||||
Narrow Fast | ~5 km | 2.28 kbps | −10 dB | EU 868 MHz band (62.5 kHz BW); avoids interference with other devices |
|
||||
Narrow Slow | ~10 km | 1.30 kbps | −12.5 dB | EU 868 MHz band (62.5 kHz BW); comparable to Long Fast |
|
||||
Narrow Fast | ~5 km | 2.28 kbps | −7.5 dB | EU 868 MHz band (62.5 kHz BW); avoids interference with other devices |
|
||||
Narrow Slow | ~10 km | 1.30 kbps | −10 dB | EU 868 MHz band (62.5 kHz BW); comparable to Long Fast |
|
||||
Medium Turbo | ~5 km | 7.0 kbps | −12.5 dB | Like Medium Fast but with 500 kHz bandwidth; not legal in every region. Needs firmware 2.8 or newer |
|
||||
Tiny Fast | ~10 km | 0.68 kbps | −7.5 dB | Amateur bands that cap occupied bandwidth; these presets use 15.6 kHz. Needs firmware 2.8 or newer, an SX126x or SX127x radio, and a TCXO of ±5 ppm or better |
|
||||
Tiny Slow | ~20 km | 0.33 kbps | −10 dB | Same band restrictions as Tiny Fast, longer range. Same firmware, radio, and TCXO requirements |
|
||||
|
||||
@@ -28,7 +28,7 @@ Each modem preset has an SNR limit: the lowest SNR at which that preset can stil
|
||||
|
||||
## Rating Signal Quality
|
||||
|
||||
The app rates signal quality (None, Bad, Fair, or Good) from SNR alone, measured against the active preset's SNR limit. It does not factor in RSSI: without knowing the local noise floor, RSSI alone cannot say whether a signal is decodable. RSSI is still available — on the node detail screen and in the metrics charts.
|
||||
The app rates signal quality (None, Bad, Fair, or Good) from SNR relative to the active preset's SNR limit. When RSSI and a noise-floor reading are both available, it also rates the difference between them against that limit and uses the worse rating. Otherwise, it uses SNR alone.
|
||||
|
||||
Because the rating is relative to the preset, the same SNR rates differently on different presets. An SNR of −16 dB rates Good on Long Fast (SNR limit −17.5 dB) but None on Short Fast (SNR limit −7.5 dB). Let `limit` be the active preset's SNR limit:
|
||||
|
||||
@@ -41,7 +41,7 @@ Because the rating is relative to the preset, the same SNR rates differently on
|
||||
|
||||
The icon never goes blank, so count the bars carefully: a single bar means None, not a weak but usable link, and Good is a solid wedge rather than a set of bars. A gray three-bar icon labeled Unknown is a different state again — the packet carried no SNR measurement at all, which is not the same as measuring one and finding it too weak.
|
||||
|
||||
> ℹ️ **Note:** Traceroute hop colors use fixed thresholds (−7 dB / −15 dB); the per-node signal meter uses the preset-relative rating instead.
|
||||
> ℹ️ **Note:** Traceroute and neighbor-info SNR colors use the active preset's limits too. RSSI text has separate strength colors: green above −115 dBm, yellow above −120 dBm, orange above −126 dBm, and red at or below −126 dBm.
|
||||
|
||||
## Diagnosing Local Interference
|
||||
|
||||
|
||||
@@ -45,12 +45,12 @@ All Meshtastic nodes report basic device telemetry:
|
||||
PMSA003I | PM1.0, PM2.5, PM10 | See [Air Quality Metrics](#air-quality-metrics) |
|
||||
SEN55 | PM, Temp, Humidity | Multi-sensor. Its NOx and VOC indices are recorded and included in a CSV export, but are not shown as cards or charts |
|
||||
|
||||
### Soil
|
||||
### Почва
|
||||
|
||||
Метрични | Unit | Бележки |
|
||||
---------- | ------- | ----------------------------------------------- |
|
||||
Soil Temp | °C / °F | Reported alongside soil moisture by soil probes |
|
||||
Soil Moist | % | Volumetric water content |
|
||||
Метрични | Единица | Бележки |
|
||||
-------------------------------- | ------- | ----------------------------------------------- |
|
||||
Темп. на почвата | °C / °F | Reported alongside soil moisture by soil probes |
|
||||
Soil Moist | % | Volumetric water content |
|
||||
|
||||
Both appear as info cards on the node detail screen, next to the other environment readings.
|
||||
|
||||
|
||||
@@ -110,7 +110,7 @@ Radio signal quality information:
|
||||
|
||||
### Signal Quality Reference
|
||||
|
||||
Signal quality is rated from **SNR relative to the active LoRa modem preset's demodulation floor**, not from fixed thresholds — a given SNR means different things on different presets (e.g. −15 dB is fine on LongSlow but unusable on ShortFast). RSSI is shown but is not part of the rating. In the table, _limit_ is the preset's SNR limit.
|
||||
Signal quality is rated from **SNR relative to the active LoRa modem preset's demodulation floor**, not from fixed thresholds — a given SNR means different things on different presets (e.g. −15 dB is fine on LongSlow but unusable on ShortFast). When RSSI and a noise-floor reading are both available, the app also rates their difference against the preset limit and uses the worse rating. Otherwise, RSSI is display-only. In the table, _limit_ is the preset's SNR limit.
|
||||
|
||||
Quality | Criteria |
|
||||
------- | ---------------------------------------------------------------- |
|
||||
|
||||
@@ -145,6 +145,8 @@ Tap the hop-histogram icon in the node list's app bar to open a bar chart of how
|
||||
|
||||
Tapping a node opens the detail view with comprehensive information. See [Node Metrics](node-metrics) for full details on metrics and telemetry.
|
||||
|
||||
Signal quality is rated against your modem preset. The same SNR can be good on a long-range preset and poor on a faster one. Traceroute and neighbor-info SNR colors use that preset too. RSSI text has its own strength colors; it affects the quality rating only when a noise-floor reading is also available.
|
||||
|
||||
The Details card carries the node's short name, role, IDs, last heard time, hops away, uptime, and its SNR and RSSI:
|
||||
|
||||
|
||||
|
||||
@@ -107,13 +107,13 @@ The Lite, Narrow, Medium Turbo, and Tiny presets need firmware 2.8 or newer —
|
||||
Short Slow | ~5 km | 6.25 kbps | −10 dB | Suburban short-range; moderate building density |
|
||||
Medium Fast | ~5 km | 3.52 kbps | −12.5 dB | Suburban areas; moderate building density |
|
||||
Medium Slow | ~8 km | 1.95 kbps | −15 dB | Suburban/rural; moderate range with slower speed |
|
||||
Long Turbo | ~10 km | 1.34 kbps | −12.5 dB | Similar range to Long Fast but with 500 kHz bandwidth; faster throughput |
|
||||
Long Turbo | ~10 km | 1.34 kbps | −17.5 dB | Similar range to Long Fast but with 500 kHz bandwidth; faster throughput |
|
||||
Long Fast | ~10 km | 1.1 kbps | −17.5 dB | **General use (default)** — balanced range and speed |
|
||||
Long Moderate | ~20 km | 0.34 kbps | −17.5 dB | Rural with some terrain; occasional use |
|
||||
Lite Fast | ~5 km | 1.76 kbps | −12.5 dB | EU 866 MHz SRD band (125 kHz BW); comparable to Medium Fast |
|
||||
Lite Slow | ~10 km | 0.98 kbps | −15 dB | EU 866 MHz SRD band (125 kHz BW); comparable to Long Fast |
|
||||
Narrow Fast | ~5 km | 2.28 kbps | −10 dB | EU 868 MHz band (62.5 kHz BW); avoids interference with other devices |
|
||||
Narrow Slow | ~10 km | 1.30 kbps | −12.5 dB | EU 868 MHz band (62.5 kHz BW); comparable to Long Fast |
|
||||
Narrow Fast | ~5 km | 2.28 kbps | −7.5 dB | EU 868 MHz band (62.5 kHz BW); avoids interference with other devices |
|
||||
Narrow Slow | ~10 km | 1.30 kbps | −10 dB | EU 868 MHz band (62.5 kHz BW); comparable to Long Fast |
|
||||
Medium Turbo | ~5 km | 7.0 kbps | −12.5 dB | Like Medium Fast but with 500 kHz bandwidth; not legal in every region. Needs firmware 2.8 or newer |
|
||||
Tiny Fast | ~10 km | 0.68 kbps | −7.5 dB | Amateur bands that cap occupied bandwidth; these presets use 15.6 kHz. Needs firmware 2.8 or newer, an SX126x or SX127x radio, and a TCXO of ±5 ppm or better |
|
||||
Tiny Slow | ~20 km | 0.33 kbps | −10 dB | Same band restrictions as Tiny Fast, longer range. Same firmware, radio, and TCXO requirements |
|
||||
|
||||
@@ -28,7 +28,7 @@ Each modem preset has an SNR limit: the lowest SNR at which that preset can stil
|
||||
|
||||
## Rating Signal Quality
|
||||
|
||||
The app rates signal quality (None, Bad, Fair, or Good) from SNR alone, measured against the active preset's SNR limit. It does not factor in RSSI: without knowing the local noise floor, RSSI alone cannot say whether a signal is decodable. RSSI is still available — on the node detail screen and in the metrics charts.
|
||||
The app rates signal quality (None, Bad, Fair, or Good) from SNR relative to the active preset's SNR limit. When RSSI and a noise-floor reading are both available, it also rates the difference between them against that limit and uses the worse rating. Otherwise, it uses SNR alone.
|
||||
|
||||
Because the rating is relative to the preset, the same SNR rates differently on different presets. An SNR of −16 dB rates Good on Long Fast (SNR limit −17.5 dB) but None on Short Fast (SNR limit −7.5 dB). Let `limit` be the active preset's SNR limit:
|
||||
|
||||
@@ -41,7 +41,7 @@ Because the rating is relative to the preset, the same SNR rates differently on
|
||||
|
||||
The icon never goes blank, so count the bars carefully: a single bar means None, not a weak but usable link, and Good is a solid wedge rather than a set of bars. A gray three-bar icon labeled Unknown is a different state again — the packet carried no SNR measurement at all, which is not the same as measuring one and finding it too weak.
|
||||
|
||||
> ℹ️ **Note:** Traceroute hop colors use fixed thresholds (−7 dB / −15 dB); the per-node signal meter uses the preset-relative rating instead.
|
||||
> ℹ️ **Note:** Traceroute and neighbor-info SNR colors use the active preset's limits too. RSSI text has separate strength colors: green above −115 dBm, yellow above −120 dBm, orange above −126 dBm, and red at or below −126 dBm.
|
||||
|
||||
## Diagnosing Local Interference
|
||||
|
||||
|
||||
@@ -110,7 +110,7 @@ Radio signal quality information:
|
||||
|
||||
### Signal Quality Reference
|
||||
|
||||
Signal quality is rated from **SNR relative to the active LoRa modem preset's demodulation floor**, not from fixed thresholds — a given SNR means different things on different presets (e.g. −15 dB is fine on LongSlow but unusable on ShortFast). RSSI is shown but is not part of the rating. In the table, _limit_ is the preset's SNR limit.
|
||||
Signal quality is rated from **SNR relative to the active LoRa modem preset's demodulation floor**, not from fixed thresholds — a given SNR means different things on different presets (e.g. −15 dB is fine on LongSlow but unusable on ShortFast). When RSSI and a noise-floor reading are both available, the app also rates their difference against the preset limit and uses the worse rating. Otherwise, RSSI is display-only. In the table, _limit_ is the preset's SNR limit.
|
||||
|
||||
Quality | Criteria |
|
||||
------- | ---------------------------------------------------------------- |
|
||||
|
||||
@@ -145,6 +145,8 @@ Tap the hop-histogram icon in the node list's app bar to open a bar chart of how
|
||||
|
||||
Tapping a node opens the detail view with comprehensive information. See [Node Metrics](node-metrics) for full details on metrics and telemetry.
|
||||
|
||||
Signal quality is rated against your modem preset. The same SNR can be good on a long-range preset and poor on a faster one. Traceroute and neighbor-info SNR colors use that preset too. RSSI text has its own strength colors; it affects the quality rating only when a noise-floor reading is also available.
|
||||
|
||||
The Details card carries the node's short name, role, IDs, last heard time, hops away, uptime, and its SNR and RSSI:
|
||||
|
||||
|
||||
|
||||
@@ -107,13 +107,13 @@ The Lite, Narrow, Medium Turbo, and Tiny presets need firmware 2.8 or newer —
|
||||
Short Slow | ~5 km | 6.25 kbps | −10 dB | Suburban short-range; moderate building density |
|
||||
Medium Fast | ~5 km | 3.52 kbps | −12.5 dB | Suburban areas; moderate building density |
|
||||
Medium Slow | ~8 km | 1.95 kbps | −15 dB | Suburban/rural; moderate range with slower speed |
|
||||
Long Turbo | ~10 km | 1.34 kbps | −12.5 dB | Similar range to Long Fast but with 500 kHz bandwidth; faster throughput |
|
||||
Long Turbo | ~10 km | 1.34 kbps | −17.5 dB | Similar range to Long Fast but with 500 kHz bandwidth; faster throughput |
|
||||
Long Fast | ~10 km | 1.1 kbps | −17.5 dB | **General use (default)** — balanced range and speed |
|
||||
Long Moderate | ~20 km | 0.34 kbps | −17.5 dB | Rural with some terrain; occasional use |
|
||||
Lite Fast | ~5 km | 1.76 kbps | −12.5 dB | EU 866 MHz SRD band (125 kHz BW); comparable to Medium Fast |
|
||||
Lite Slow | ~10 km | 0.98 kbps | −15 dB | EU 866 MHz SRD band (125 kHz BW); comparable to Long Fast |
|
||||
Narrow Fast | ~5 km | 2.28 kbps | −10 dB | EU 868 MHz band (62.5 kHz BW); avoids interference with other devices |
|
||||
Narrow Slow | ~10 km | 1.30 kbps | −12.5 dB | EU 868 MHz band (62.5 kHz BW); comparable to Long Fast |
|
||||
Narrow Fast | ~5 km | 2.28 kbps | −7.5 dB | EU 868 MHz band (62.5 kHz BW); avoids interference with other devices |
|
||||
Narrow Slow | ~10 km | 1.30 kbps | −10 dB | EU 868 MHz band (62.5 kHz BW); comparable to Long Fast |
|
||||
Medium Turbo | ~5 km | 7.0 kbps | −12.5 dB | Like Medium Fast but with 500 kHz bandwidth; not legal in every region. Needs firmware 2.8 or newer |
|
||||
Tiny Fast | ~10 km | 0.68 kbps | −7.5 dB | Amateur bands that cap occupied bandwidth; these presets use 15.6 kHz. Needs firmware 2.8 or newer, an SX126x or SX127x radio, and a TCXO of ±5 ppm or better |
|
||||
Tiny Slow | ~20 km | 0.33 kbps | −10 dB | Same band restrictions as Tiny Fast, longer range. Same firmware, radio, and TCXO requirements |
|
||||
|
||||
@@ -28,7 +28,7 @@ Each modem preset has an SNR limit: the lowest SNR at which that preset can stil
|
||||
|
||||
## Rating Signal Quality
|
||||
|
||||
The app rates signal quality (None, Bad, Fair, or Good) from SNR alone, measured against the active preset's SNR limit. It does not factor in RSSI: without knowing the local noise floor, RSSI alone cannot say whether a signal is decodable. RSSI is still available — on the node detail screen and in the metrics charts.
|
||||
The app rates signal quality (None, Bad, Fair, or Good) from SNR relative to the active preset's SNR limit. When RSSI and a noise-floor reading are both available, it also rates the difference between them against that limit and uses the worse rating. Otherwise, it uses SNR alone.
|
||||
|
||||
Because the rating is relative to the preset, the same SNR rates differently on different presets. An SNR of −16 dB rates Good on Long Fast (SNR limit −17.5 dB) but None on Short Fast (SNR limit −7.5 dB). Let `limit` be the active preset's SNR limit:
|
||||
|
||||
@@ -41,7 +41,7 @@ Because the rating is relative to the preset, the same SNR rates differently on
|
||||
|
||||
The icon never goes blank, so count the bars carefully: a single bar means None, not a weak but usable link, and Good is a solid wedge rather than a set of bars. A gray three-bar icon labeled Unknown is a different state again — the packet carried no SNR measurement at all, which is not the same as measuring one and finding it too weak.
|
||||
|
||||
> ℹ️ **Note:** Traceroute hop colors use fixed thresholds (−7 dB / −15 dB); the per-node signal meter uses the preset-relative rating instead.
|
||||
> ℹ️ **Note:** Traceroute and neighbor-info SNR colors use the active preset's limits too. RSSI text has separate strength colors: green above −115 dBm, yellow above −120 dBm, orange above −126 dBm, and red at or below −126 dBm.
|
||||
|
||||
## Diagnosing Local Interference
|
||||
|
||||
|
||||
@@ -110,7 +110,7 @@ Radio signal quality information:
|
||||
|
||||
### Signal Quality Reference
|
||||
|
||||
Die Signalqualität wird auf der Grundlage des **Signal-Rauschabstand im Verhältnis zur Demodulationsschwelle der aktiven LoRa-Modem-Voreinstellung** bewertet, nicht anhand fester Schwellenwerte – ein bestimmter Wert des Signal-Rauschabstand hat je nach Voreinstellung unterschiedliche Bedeutungen (z. B. sind −15 dB bei „LongSlow“ in Ordnung, bei „ShortFast“ jedoch unbrauchbar). RSSI is shown but is not part of the rating. In the table, _limit_ is the preset's SNR limit.
|
||||
Die Signalqualität wird auf der Grundlage des **Signal-Rauschabstand im Verhältnis zur Demodulationsschwelle der aktiven LoRa-Modem-Voreinstellung** bewertet, nicht anhand fester Schwellenwerte – ein bestimmter Wert des Signal-Rauschabstand hat je nach Voreinstellung unterschiedliche Bedeutungen (z. B. sind −15 dB bei „LongSlow“ in Ordnung, bei „ShortFast“ jedoch unbrauchbar). When RSSI and a noise-floor reading are both available, the app also rates their difference against the preset limit and uses the worse rating. Otherwise, RSSI is display-only. In the table, _limit_ is the preset's SNR limit.
|
||||
|
||||
Quality | Criteria |
|
||||
------------------------ | ---------------------------------------------------------------- |
|
||||
|
||||
@@ -145,6 +145,8 @@ Tap the hop-histogram icon in the node list's app bar to open a bar chart of how
|
||||
|
||||
Tapping a node opens the detail view with comprehensive information. See [Node Metrics](node-metrics) for full details on metrics and telemetry.
|
||||
|
||||
Signal quality is rated against your modem preset. The same SNR can be good on a long-range preset and poor on a faster one. Traceroute and neighbor-info SNR colors use that preset too. RSSI text has its own strength colors; it affects the quality rating only when a noise-floor reading is also available.
|
||||
|
||||
The Details card carries the node's short name, role, IDs, last heard time, hops away, uptime, and its SNR and RSSI:
|
||||
|
||||
|
||||
|
||||
@@ -107,13 +107,13 @@ The Lite, Narrow, Medium Turbo, and Tiny presets need firmware 2.8 or newer —
|
||||
Short Slow | ~5 km | 6,25 kbit/s | −10 dB | Suburban short-range; moderate building density |
|
||||
MEDIUM_FAST | ~5 km | 3,52 kbit/s | −12.5 dB | Suburban areas; moderate building density |
|
||||
MEDIUM_SLOW | ~8 km | 1,95 kbit/s | −15 dB | Suburban/rural; moderate range with slower speed |
|
||||
Long Turbo | ~10 km | 1.34 kbps | −12.5 dB | Similar range to Long Fast but with 500 kHz bandwidth; faster throughput |
|
||||
Long Turbo | ~10 km | 1.34 kbps | −17.5 dB | Similar range to Long Fast but with 500 kHz bandwidth; faster throughput |
|
||||
Long Fast | ~10 km | 1.1 kbps | −17.5 dB | **General use (default)** — balanced range and speed |
|
||||
Long Moderate | ~20 km | 0,34 kbit/s | −17.5 dB | Rural with some terrain; occasional use |
|
||||
Lite Fast | ~5 km | 1.76 kbps | −12.5 dB | EU 866 MHz SRD band (125 kHz BW); comparable to Medium Fast |
|
||||
Lite Slow | ~10 km | 0.98 kbps | −15 dB | EU 866 MHz SRD band (125 kHz BW); comparable to Long Fast |
|
||||
Narrow Fast | ~5 km | 2.28 kbps | −10 dB | EU 868 MHz band (62.5 kHz BW); avoids interference with other devices |
|
||||
Narrow Slow | ~10 km | 1.30 kbps | −12.5 dB | EU 868 MHz band (62.5 kHz BW); comparable to Long Fast |
|
||||
Narrow Fast | ~5 km | 2.28 kbps | −7,5 dB | EU 868 MHz band (62.5 kHz BW); avoids interference with other devices |
|
||||
Narrow Slow | ~10 km | 1.30 kbps | −10 dB | EU 868 MHz band (62.5 kHz BW); comparable to Long Fast |
|
||||
Medium Turbo | ~5 km | 7.0 kbps | −12,5 dB | Like Medium Fast but with 500 kHz bandwidth; not legal in every region. Needs firmware 2.8 or newer |
|
||||
Tiny Fast | ~10 km | 0.68 kbps | −7,5 dB | Amateur bands that cap occupied bandwidth; these presets use 15.6 kHz. Needs firmware 2.8 or newer, an SX126x or SX127x radio, and a TCXO of ±5 ppm or better |
|
||||
Tiny Slow | ~20 km | 0.33 kbps | −10 dB | Same band restrictions as Tiny Fast, longer range. Same firmware, radio, and TCXO requirements |
|
||||
|
||||
@@ -28,7 +28,7 @@ Each modem preset has an SNR limit: the lowest SNR at which that preset can stil
|
||||
|
||||
## Rating Signal Quality
|
||||
|
||||
The app rates signal quality (None, Bad, Fair, or Good) from SNR alone, measured against the active preset's SNR limit. It does not factor in RSSI: without knowing the local noise floor, RSSI alone cannot say whether a signal is decodable. RSSI is still available — on the node detail screen and in the metrics charts.
|
||||
The app rates signal quality (None, Bad, Fair, or Good) from SNR relative to the active preset's SNR limit. When RSSI and a noise-floor reading are both available, it also rates the difference between them against that limit and uses the worse rating. Otherwise, it uses SNR alone.
|
||||
|
||||
Because the rating is relative to the preset, the same SNR rates differently on different presets. An SNR of −16 dB rates Good on Long Fast (SNR limit −17.5 dB) but None on Short Fast (SNR limit −7.5 dB). Let `limit` be the active preset's SNR limit:
|
||||
|
||||
@@ -41,7 +41,7 @@ Because the rating is relative to the preset, the same SNR rates differently on
|
||||
|
||||
The icon never goes blank, so count the bars carefully: a single bar means None, not a weak but usable link, and Good is a solid wedge rather than a set of bars. A gray three-bar icon labeled Unknown is a different state again — the packet carried no SNR measurement at all, which is not the same as measuring one and finding it too weak.
|
||||
|
||||
> ℹ️ **Note:** Traceroute hop colors use fixed thresholds (−7 dB / −15 dB); the per-node signal meter uses the preset-relative rating instead.
|
||||
> ℹ️ **Note:** Traceroute and neighbor-info SNR colors use the active preset's limits too. RSSI text has separate strength colors: green above −115 dBm, yellow above −120 dBm, orange above −126 dBm, and red at or below −126 dBm.
|
||||
|
||||
## Diagnosing Local Interference
|
||||
|
||||
|
||||
@@ -110,7 +110,7 @@ Radio signal quality information:
|
||||
|
||||
### Signal Quality Reference
|
||||
|
||||
Signal quality is rated from **SNR relative to the active LoRa modem preset's demodulation floor**, not from fixed thresholds — a given SNR means different things on different presets (e.g. −15 dB is fine on LongSlow but unusable on ShortFast). RSSI is shown but is not part of the rating. In the table, _limit_ is the preset's SNR limit.
|
||||
Signal quality is rated from **SNR relative to the active LoRa modem preset's demodulation floor**, not from fixed thresholds — a given SNR means different things on different presets (e.g. −15 dB is fine on LongSlow but unusable on ShortFast). When RSSI and a noise-floor reading are both available, the app also rates their difference against the preset limit and uses the worse rating. Otherwise, RSSI is display-only. In the table, _limit_ is the preset's SNR limit.
|
||||
|
||||
Quality | Criteria |
|
||||
------- | ---------------------------------------------------------------- |
|
||||
|
||||
@@ -145,6 +145,8 @@ Tap the hop-histogram icon in the node list's app bar to open a bar chart of how
|
||||
|
||||
Tapping a node opens the detail view with comprehensive information. See [Node Metrics](node-metrics) for full details on metrics and telemetry.
|
||||
|
||||
Signal quality is rated against your modem preset. The same SNR can be good on a long-range preset and poor on a faster one. Traceroute and neighbor-info SNR colors use that preset too. RSSI text has its own strength colors; it affects the quality rating only when a noise-floor reading is also available.
|
||||
|
||||
The Details card carries the node's short name, role, IDs, last heard time, hops away, uptime, and its SNR and RSSI:
|
||||
|
||||
|
||||
|
||||
@@ -107,13 +107,13 @@ The Lite, Narrow, Medium Turbo, and Tiny presets need firmware 2.8 or newer —
|
||||
Short Slow | ~5 km | 6.25 kbps | −10 dB | Suburban short-range; moderate building density |
|
||||
Medium Fast | ~5 km | 3.52 kbps | −12.5 dB | Suburban areas; moderate building density |
|
||||
Medium Slow | ~8 km | 1.95 kbps | −15 dB | Suburban/rural; moderate range with slower speed |
|
||||
Long Turbo | ~10 km | 1.34 kbps | −12.5 dB | Similar range to Long Fast but with 500 kHz bandwidth; faster throughput |
|
||||
Long Turbo | ~10 km | 1.34 kbps | −17.5 dB | Similar range to Long Fast but with 500 kHz bandwidth; faster throughput |
|
||||
Long Fast | ~10 km | 1.1 kbps | −17.5 dB | **General use (default)** — balanced range and speed |
|
||||
Long Moderate | ~20 km | 0.34 kbps | −17.5 dB | Rural with some terrain; occasional use |
|
||||
Lite Fast | ~5 km | 1.76 kbps | −12.5 dB | EU 866 MHz SRD band (125 kHz BW); comparable to Medium Fast |
|
||||
Lite Slow | ~10 km | 0.98 kbps | −15 dB | EU 866 MHz SRD band (125 kHz BW); comparable to Long Fast |
|
||||
Narrow Fast | ~5 km | 2.28 kbps | −10 dB | EU 868 MHz band (62.5 kHz BW); avoids interference with other devices |
|
||||
Narrow Slow | ~10 km | 1.30 kbps | −12.5 dB | EU 868 MHz band (62.5 kHz BW); comparable to Long Fast |
|
||||
Narrow Fast | ~5 km | 2.28 kbps | −7.5 dB | EU 868 MHz band (62.5 kHz BW); avoids interference with other devices |
|
||||
Narrow Slow | ~10 km | 1.30 kbps | −10 dB | EU 868 MHz band (62.5 kHz BW); comparable to Long Fast |
|
||||
Medium Turbo | ~5 km | 7.0 kbps | −12.5 dB | Like Medium Fast but with 500 kHz bandwidth; not legal in every region. Needs firmware 2.8 or newer |
|
||||
Tiny Fast | ~10 km | 0.68 kbps | −7.5 dB | Amateur bands that cap occupied bandwidth; these presets use 15.6 kHz. Needs firmware 2.8 or newer, an SX126x or SX127x radio, and a TCXO of ±5 ppm or better |
|
||||
Tiny Slow | ~20 km | 0.33 kbps | −10 dB | Same band restrictions as Tiny Fast, longer range. Same firmware, radio, and TCXO requirements |
|
||||
|
||||
@@ -28,7 +28,7 @@ Each modem preset has an SNR limit: the lowest SNR at which that preset can stil
|
||||
|
||||
## Rating Signal Quality
|
||||
|
||||
The app rates signal quality (None, Bad, Fair, or Good) from SNR alone, measured against the active preset's SNR limit. It does not factor in RSSI: without knowing the local noise floor, RSSI alone cannot say whether a signal is decodable. RSSI is still available — on the node detail screen and in the metrics charts.
|
||||
The app rates signal quality (None, Bad, Fair, or Good) from SNR relative to the active preset's SNR limit. When RSSI and a noise-floor reading are both available, it also rates the difference between them against that limit and uses the worse rating. Otherwise, it uses SNR alone.
|
||||
|
||||
Because the rating is relative to the preset, the same SNR rates differently on different presets. An SNR of −16 dB rates Good on Long Fast (SNR limit −17.5 dB) but None on Short Fast (SNR limit −7.5 dB). Let `limit` be the active preset's SNR limit:
|
||||
|
||||
@@ -41,7 +41,7 @@ Because the rating is relative to the preset, the same SNR rates differently on
|
||||
|
||||
The icon never goes blank, so count the bars carefully: a single bar means None, not a weak but usable link, and Good is a solid wedge rather than a set of bars. A gray three-bar icon labeled Unknown is a different state again — the packet carried no SNR measurement at all, which is not the same as measuring one and finding it too weak.
|
||||
|
||||
> ℹ️ **Note:** Traceroute hop colors use fixed thresholds (−7 dB / −15 dB); the per-node signal meter uses the preset-relative rating instead.
|
||||
> ℹ️ **Note:** Traceroute and neighbor-info SNR colors use the active preset's limits too. RSSI text has separate strength colors: green above −115 dBm, yellow above −120 dBm, orange above −126 dBm, and red at or below −126 dBm.
|
||||
|
||||
## Diagnosing Local Interference
|
||||
|
||||
|
||||
@@ -110,7 +110,7 @@ Radio signal quality information:
|
||||
|
||||
### Signal Quality Reference
|
||||
|
||||
Signal quality is rated from **SNR relative to the active LoRa modem preset's demodulation floor**, not from fixed thresholds — a given SNR means different things on different presets (e.g. −15 dB is fine on LongSlow but unusable on ShortFast). RSSI is shown but is not part of the rating. In the table, _limit_ is the preset's SNR limit.
|
||||
Signal quality is rated from **SNR relative to the active LoRa modem preset's demodulation floor**, not from fixed thresholds — a given SNR means different things on different presets (e.g. −15 dB is fine on LongSlow but unusable on ShortFast). When RSSI and a noise-floor reading are both available, the app also rates their difference against the preset limit and uses the worse rating. Otherwise, RSSI is display-only. In the table, _limit_ is the preset's SNR limit.
|
||||
|
||||
Quality | Criteria |
|
||||
--------- | ---------------------------------------------------------------- |
|
||||
|
||||
@@ -145,6 +145,8 @@ Tap the hop-histogram icon in the node list's app bar to open a bar chart of how
|
||||
|
||||
Tapping a node opens the detail view with comprehensive information. See [Node Metrics](node-metrics) for full details on metrics and telemetry.
|
||||
|
||||
Signal quality is rated against your modem preset. The same SNR can be good on a long-range preset and poor on a faster one. Traceroute and neighbor-info SNR colors use that preset too. RSSI text has its own strength colors; it affects the quality rating only when a noise-floor reading is also available.
|
||||
|
||||
The Details card carries the node's short name, role, IDs, last heard time, hops away, uptime, and its SNR and RSSI:
|
||||
|
||||
|
||||
|
||||
@@ -107,13 +107,13 @@ The Lite, Narrow, Medium Turbo, and Tiny presets need firmware 2.8 or newer —
|
||||
Short Slow | ~5 km | 6.25 kbps | −10 dB | Suburban short-range; moderate building density |
|
||||
Medium Fast | ~5 km | 3.52 kbps | −12.5 dB | Suburban areas; moderate building density |
|
||||
Medium Slow | ~8 km | 1.95 kbps | −15 dB | Suburban/rural; moderate range with slower speed |
|
||||
Long Turbo | ~10 km | 1.34 kbps | −12.5 dB | Similar range to Long Fast but with 500 kHz bandwidth; faster throughput |
|
||||
Long Turbo | ~10 km | 1.34 kbps | −17.5 dB | Similar range to Long Fast but with 500 kHz bandwidth; faster throughput |
|
||||
Long Fast | ~10 km | 1.1 kbps | −17.5 dB | **General use (default)** — balanced range and speed |
|
||||
Long Moderate | ~20 km | 0.34 kbps | −17.5 dB | Rural with some terrain; occasional use |
|
||||
Lite Fast | ~5 km | 1.76 kbps | −12.5 dB | EU 866 MHz SRD band (125 kHz BW); comparable to Medium Fast |
|
||||
Lite Slow | ~10 km | 0.98 kbps | −15 dB | EU 866 MHz SRD band (125 kHz BW); comparable to Long Fast |
|
||||
Narrow Fast | ~5 km | 2.28 kbps | −10 dB | EU 868 MHz band (62.5 kHz BW); avoids interference with other devices |
|
||||
Narrow Slow | ~10 km | 1.30 kbps | −12.5 dB | EU 868 MHz band (62.5 kHz BW); comparable to Long Fast |
|
||||
Narrow Fast | ~5 km | 2.28 kbps | −7.5 dB | EU 868 MHz band (62.5 kHz BW); avoids interference with other devices |
|
||||
Narrow Slow | ~10 km | 1.30 kbps | −10 dB | EU 868 MHz band (62.5 kHz BW); comparable to Long Fast |
|
||||
Medium Turbo | ~5 km | 7.0 kbps | −12.5 dB | Like Medium Fast but with 500 kHz bandwidth; not legal in every region. Needs firmware 2.8 or newer |
|
||||
Tiny Fast | ~10 km | 0.68 kbps | −7.5 dB | Amateur bands that cap occupied bandwidth; these presets use 15.6 kHz. Needs firmware 2.8 or newer, an SX126x or SX127x radio, and a TCXO of ±5 ppm or better |
|
||||
Tiny Slow | ~20 km | 0.33 kbps | −10 dB | Same band restrictions as Tiny Fast, longer range. Same firmware, radio, and TCXO requirements |
|
||||
|
||||
@@ -28,7 +28,7 @@ Each modem preset has an SNR limit: the lowest SNR at which that preset can stil
|
||||
|
||||
## Rating Signal Quality
|
||||
|
||||
The app rates signal quality (None, Bad, Fair, or Good) from SNR alone, measured against the active preset's SNR limit. It does not factor in RSSI: without knowing the local noise floor, RSSI alone cannot say whether a signal is decodable. RSSI is still available — on the node detail screen and in the metrics charts.
|
||||
The app rates signal quality (None, Bad, Fair, or Good) from SNR relative to the active preset's SNR limit. When RSSI and a noise-floor reading are both available, it also rates the difference between them against that limit and uses the worse rating. Otherwise, it uses SNR alone.
|
||||
|
||||
Because the rating is relative to the preset, the same SNR rates differently on different presets. An SNR of −16 dB rates Good on Long Fast (SNR limit −17.5 dB) but None on Short Fast (SNR limit −7.5 dB). Let `limit` be the active preset's SNR limit:
|
||||
|
||||
@@ -41,7 +41,7 @@ Because the rating is relative to the preset, the same SNR rates differently on
|
||||
|
||||
The icon never goes blank, so count the bars carefully: a single bar means None, not a weak but usable link, and Good is a solid wedge rather than a set of bars. A gray three-bar icon labeled Unknown is a different state again — the packet carried no SNR measurement at all, which is not the same as measuring one and finding it too weak.
|
||||
|
||||
> ℹ️ **Note:** Traceroute hop colors use fixed thresholds (−7 dB / −15 dB); the per-node signal meter uses the preset-relative rating instead.
|
||||
> ℹ️ **Note:** Traceroute and neighbor-info SNR colors use the active preset's limits too. RSSI text has separate strength colors: green above −115 dBm, yellow above −120 dBm, orange above −126 dBm, and red at or below −126 dBm.
|
||||
|
||||
## Diagnosing Local Interference
|
||||
|
||||
|
||||
@@ -110,7 +110,7 @@ Radio signal quality information:
|
||||
|
||||
### Signal Quality Reference
|
||||
|
||||
Signaali kvaliteeti hinnatakse **SNR-i põhjal, mis on seotud aktiivse LoRa modemi eelseadistuse demodulatsiooni alumise piiriga**, mitte fikseeritud läviväärtuste põhjal – antud SNR tähendab erinevatel eelseadistustel erinevat väärtust (nt −15 dB on LongSlow režiimil hea, kuid ShortFast režiimil mittekasutatav). RSSI on kuvatud, aga see ei ole osa hinnangust. In the table, _limit_ is the preset's SNR limit.
|
||||
Signaali kvaliteeti hinnatakse **SNR-i põhjal, mis on seotud aktiivse LoRa modemi eelseadistuse demodulatsiooni alumise piiriga**, mitte fikseeritud läviväärtuste põhjal – antud SNR tähendab erinevatel eelseadistustel erinevat väärtust (nt −15 dB on LongSlow režiimil hea, kuid ShortFast režiimil mittekasutatav). When RSSI and a noise-floor reading are both available, the app also rates their difference against the preset limit and uses the worse rating. Otherwise, RSSI is display-only. In the table, _limit_ is the preset's SNR limit.
|
||||
|
||||
Kvaliteet | Kriteerium |
|
||||
--------- | ----------------------------------------- |
|
||||
|
||||
@@ -145,6 +145,8 @@ Puuduta sõlmede loendi rakenduse ribal hüppehistogrammi ikooni, et avada tulpd
|
||||
|
||||
Sõlmel klõpsamine avab detailvaate koos põhjaliku teabega. See [Node Metrics](node-metrics) for full details on metrics and telemetry.
|
||||
|
||||
Signal quality is rated against your modem preset. The same SNR can be good on a long-range preset and poor on a faster one. Traceroute and neighbor-info SNR colors use that preset too. RSSI text has its own strength colors; it affects the quality rating only when a noise-floor reading is also available.
|
||||
|
||||
The Details card carries the node's short name, role, IDs, last heard time, hops away, uptime, and its SNR and RSSI:
|
||||
|
||||
|
||||
|
||||
@@ -107,13 +107,13 @@ The Lite, Narrow, Medium Turbo, and Tiny presets need firmware 2.8 or newer —
|
||||
Short Slow | ~5 km | 6.25 kbps | −10 dB | Äärelinna lühimaa; mõõdukas hoonestustihedus |
|
||||
Medium Fast | ~5 km | 3.52 kbps | −12,5 dB | Suburban areas; moderate building density |
|
||||
Medium Slow | ~8 km | 1.95 kbps | −15 dB | Suburban/rural; moderate range with slower speed |
|
||||
Long Turbo | ~10 km | 1.34 kbps | −12,5 dB | Sarnane ulatus kui Pikk Kauge, aga 500 kHz ribalaiusega; kiirem läbilaskevõime |
|
||||
Long Turbo | ~10 km | 1.34 kbps | −17,5 dB | Sarnane ulatus kui Pikk Kauge, aga 500 kHz ribalaiusega; kiirem läbilaskevõime |
|
||||
Long Fast | ~10 km | 1,1 kbps | −17,5 dB | **General use (default)** — balanced range and speed |
|
||||
Long Moderate | ~20 km | 0,34 kbps | −17,5 dB | Maapiirkond, mõningase maastikuga; aeg-ajalt kasutatav |
|
||||
Lite Fast | ~5 km | 1.76 kbps | −12,5 dB | EL 866 MHz SRD sagedusala (125 kHz ribalaius); võrreldav Medium Fast |
|
||||
Lite Slow | ~10 km | 0.98 kbps | −15 dB | EL 866 MHz SRD sagedusala (125 kHz ribalaius); võrreldav Long Fast |
|
||||
Narrow Fast | ~5 km | 2.28 kbps | −10 dB | EL 868 MHz sagedusala (62,5 kHz sagedusriba); väldib häireid teiste seadmetega |
|
||||
Narrow Slow | ~10 km | 1.30 kbps | −12,5 dB | EL 868 MHz sagedusala (62,5 kHz ribalaius); võrreldav Long Fast |
|
||||
Narrow Fast | ~5 km | 2.28 kbps | −7,5 dB | EL 868 MHz sagedusala (62,5 kHz sagedusriba); väldib häireid teiste seadmetega |
|
||||
Narrow Slow | ~10 km | 1.30 kbps | −10 dB | EL 868 MHz sagedusala (62,5 kHz ribalaius); võrreldav Long Fast |
|
||||
Medium Turbo | ~5 km | 7.0 kbps | −12,5 dB | Like Medium Fast but with 500 kHz bandwidth; not legal in every region. Needs firmware 2.8 or newer |
|
||||
Tiny Fast | ~10 km | 0.68 kbps | −7,5 dB | Amateur bands that cap occupied bandwidth; these presets use 15.6 kHz. Needs firmware 2.8 or newer, an SX126x or SX127x radio, and a TCXO of ±5 ppm or better |
|
||||
Tiny Slow | ~20 km | 0.33 kbps | −10 dB | Same band restrictions as Tiny Fast, longer range. Same firmware, radio, and TCXO requirements |
|
||||
|
||||
@@ -28,7 +28,7 @@ Each modem preset has an SNR limit: the lowest SNR at which that preset can stil
|
||||
|
||||
## Rating Signal Quality
|
||||
|
||||
The app rates signal quality (None, Bad, Fair, or Good) from SNR alone, measured against the active preset's SNR limit. It does not factor in RSSI: without knowing the local noise floor, RSSI alone cannot say whether a signal is decodable. RSSI is still available — on the node detail screen and in the metrics charts.
|
||||
The app rates signal quality (None, Bad, Fair, or Good) from SNR relative to the active preset's SNR limit. When RSSI and a noise-floor reading are both available, it also rates the difference between them against that limit and uses the worse rating. Otherwise, it uses SNR alone.
|
||||
|
||||
Because the rating is relative to the preset, the same SNR rates differently on different presets. An SNR of −16 dB rates Good on Long Fast (SNR limit −17.5 dB) but None on Short Fast (SNR limit −7.5 dB). Let `limit` be the active preset's SNR limit:
|
||||
|
||||
@@ -41,7 +41,7 @@ Because the rating is relative to the preset, the same SNR rates differently on
|
||||
|
||||
The icon never goes blank, so count the bars carefully: a single bar means None, not a weak but usable link, and Good is a solid wedge rather than a set of bars. A gray three-bar icon labeled Unknown is a different state again — the packet carried no SNR measurement at all, which is not the same as measuring one and finding it too weak.
|
||||
|
||||
> ℹ️ **Note:** Traceroute hop colors use fixed thresholds (−7 dB / −15 dB); the per-node signal meter uses the preset-relative rating instead.
|
||||
> ℹ️ **Note:** Traceroute and neighbor-info SNR colors use the active preset's limits too. RSSI text has separate strength colors: green above −115 dBm, yellow above −120 dBm, orange above −126 dBm, and red at or below −126 dBm.
|
||||
|
||||
## Diagnosing Local Interference
|
||||
|
||||
|
||||
@@ -110,7 +110,7 @@ Radiosignaalin laatutiedot:
|
||||
|
||||
### Signaalin laadun viitearvot
|
||||
|
||||
Signaalin laatu arvioidaan **SNR**-arvon perusteella suhteessa käytössä olevan LoRa-modeemiesiasetuksen **demodulaation alarajaan**, ei kiinteiden raja-arvojen perusteella. Sama SNR-arvo voi tarkoittaa eri asioita eri esiasetuksilla (esim. `-15 dB` on hyvä LongSlow-esiasetuksella, mutta käyttökelvoton ShortFast-esiasetuksella). RSSI näytetään, mutta sitä ei käytetä arvioinnissa. Taulukossa _raja_ tarkoittaa esiasetuksen SNR-rajaa.
|
||||
Signaalin laatu arvioidaan **SNR**-arvon perusteella suhteessa käytössä olevan LoRa-modeemiesiasetuksen **demodulaation alarajaan**, ei kiinteiden raja-arvojen perusteella. Sama SNR-arvo voi tarkoittaa eri asioita eri esiasetuksilla (esim. `-15 dB` on hyvä LongSlow-esiasetuksella, mutta käyttökelvoton ShortFast-esiasetuksella). When RSSI and a noise-floor reading are both available, the app also rates their difference against the preset limit and uses the worse rating. Otherwise, RSSI is display-only. Taulukossa _raja_ tarkoittaa esiasetuksen SNR-rajaa.
|
||||
|
||||
Laatu | Kriteerit |
|
||||
----------- | ---------------------------------- |
|
||||
|
||||
@@ -145,6 +145,8 @@ Avaa pylväskaavio, joka näyttää radioiden määrän kullakin hyppyetäisyyde
|
||||
|
||||
Radion napauttaminen avaa tietonäkymän, jossa on kattavat tiedot. Katso [Radion mittarit](node-metrics) saadaksesi täydelliset tiedot mittareista ja telemetriasta.
|
||||
|
||||
Signal quality is rated against your modem preset. The same SNR can be good on a long-range preset and poor on a faster one. Traceroute and neighbor-info SNR colors use that preset too. RSSI text has its own strength colors; it affects the quality rating only when a noise-floor reading is also available.
|
||||
|
||||
The Details card carries the node's short name, role, IDs, last heard time, hops away, uptime, and its SNR and RSSI:
|
||||
|
||||
|
||||
|
||||
@@ -106,13 +106,13 @@ The Lite, Narrow, Medium Turbo, and Tiny presets need firmware 2.8 or newer —
|
||||
Short Slow | ~5 km | 6.25 kbps | −10 dB | Lyhyen kantaman esikaupunkialueet; kohtalainen rakennustiheys |
|
||||
Medium Fast | ~5 km | 3.52 kbps | −12.5 dB | Esikaupunkialueet; kohtalainen rakennustiheys |
|
||||
Medium Slow | ~8 km | 1.95 kbps | −15 dB | Esikaupunki-/maaseutualueet; kohtalainen kantama ja hitaampi nopeus |
|
||||
Long Turbo | ~10 km | 1.34 kbps | −12.5 dB | Samankaltainen kantama kuin Long Fast -asetuksella, mutta 500 kHz:n kaistanleveydellä; suurempi tiedonsiirtonopeus |
|
||||
Long Turbo | ~10 km | 1.34 kbps | −17.5 dB | Samankaltainen kantama kuin Long Fast -asetuksella, mutta 500 kHz:n kaistanleveydellä; suurempi tiedonsiirtonopeus |
|
||||
Long Fast | ~10 km | 1.1 kbps | −17.5 dB | **Yleiskäyttö (oletus)** — tasapaino kantaman ja nopeuden välillä |
|
||||
Long Moderate | ~20 km | 0.34 kbps | −17.5 dB | Maaseutualueet, joissa on jonkin verran maastonmuotoja; satunnainen käyttö |
|
||||
Lite Fast | ~5 km | 1.76 kbps | −12.5 dB | EU 866 MHz SRD -alue (125 kHz BW); verrattavissa Medium Fast -asetukseen |
|
||||
Lite Slow | ~10 km | 0.98 kbps | −15 dB | EU 866 MHz SRD -alue (125 kHz BW); verrattavissa Long Fast -asetukseen |
|
||||
Narrow Fast | ~5 km | 2.28 kbps | −10 dB | EU 868 MHz -alue (62,5 kHz BW); välttää häiriöitä muiden laitteiden kanssa |
|
||||
Narrow Slow | ~10 km | 1.30 kbps | −12.5 dB | EU 868 MHz -alue (62,5 kHz BW); verrattavissa Long Fast -asetukseen |
|
||||
Narrow Fast | ~5 km | 2.28 kbps | −7.5 dB | EU 868 MHz -alue (62,5 kHz BW); välttää häiriöitä muiden laitteiden kanssa |
|
||||
Narrow Slow | ~10 km | 1.30 kbps | −10 dB | EU 868 MHz -alue (62,5 kHz BW); verrattavissa Long Fast -asetukseen |
|
||||
Medium Turbo | ~5 km | 7.0 kbps | −12.5 dB | Like Medium Fast but with 500 kHz bandwidth; not legal in every region. Needs firmware 2.8 or newer |
|
||||
Tiny Fast | ~10 km | 0.68 kbps | −7.5 dB | Amateur bands that cap occupied bandwidth; these presets use 15.6 kHz. Needs firmware 2.8 or newer, an SX126x or SX127x radio, and a TCXO of ±5 ppm or better |
|
||||
Tiny Slow | ~20 km | 0.33 kbps | −10 dB | Same band restrictions as Tiny Fast, longer range. Same firmware, radio, and TCXO requirements |
|
||||
|
||||
@@ -28,7 +28,7 @@ Jokaisella modeemiesiasetuksella on SNR-raja: pienin SNR-arvo, jolla kyseinen es
|
||||
|
||||
## Signaalin laadun arviointi
|
||||
|
||||
Sovellus arvioi signaalin laadun (Ei mitään, Huono, Tyydyttävä tai Hyvä) pelkästään SNR:n perusteella vertaamalla sitä käytössä olevan esiasetuksen SNR-rajaan. RSSI:tä ei oteta huomioon: ilman tietoa paikallisesta kohinatasosta pelkkä RSSI ei kerro, voidaanko signaali purkaa. RSSI on silti käytettävissä — radion tiedoissa ja mittarikaavioissa.
|
||||
The app rates signal quality (None, Bad, Fair, or Good) from SNR relative to the active preset's SNR limit. When RSSI and a noise-floor reading are both available, it also rates the difference between them against that limit and uses the worse rating. Otherwise, it uses SNR alone.
|
||||
|
||||
Koska arviointi suhteutetaan esiasetukseen, sama SNR saa eri arvioinnin eri esiasetuksilla. SNR −16 dB arvioidaan Hyväksi Long Fast -esiasetuksella (SNR-raja −17.5 dB), mutta Ei mitään -tasolle Short Fast -esiasetuksella (SNR-raja −7.5 dB). Jos `raja` tarkoittaa käytössä olevan esiasetuksen SNR-rajaa:
|
||||
|
||||
@@ -41,7 +41,7 @@ Koska arviointi suhteutetaan esiasetukseen, sama SNR saa eri arvioinnin eri esia
|
||||
|
||||
The icon never goes blank, so count the bars carefully: a single bar means None, not a weak but usable link, and Good is a solid wedge rather than a set of bars. A gray three-bar icon labeled Unknown is a different state again — the packet carried no SNR measurement at all, which is not the same as measuring one and finding it too weak.
|
||||
|
||||
> ℹ️ **Huomautus:** Reitiselvityksen hyppyjen värit käyttävät kiinteitä raja-arvoja (−7 dB / −15 dB); radion signaalimittari käyttää sen sijaan esiasetukseen suhteutettua arviointia.
|
||||
> ℹ️ **Note:** Traceroute and neighbor-info SNR colors use the active preset's limits too. RSSI text has separate strength colors: green above −115 dBm, yellow above −120 dBm, orange above −126 dBm, and red at or below −126 dBm.
|
||||
|
||||
## Paikallisten häiriöiden tunnistaminen
|
||||
|
||||
|
||||
@@ -110,7 +110,7 @@ Radio signal quality information:
|
||||
|
||||
### Signal Quality Reference
|
||||
|
||||
Signal quality is rated from **SNR relative to the active LoRa modem preset's demodulation floor**, not from fixed thresholds — a given SNR means different things on different presets (e.g. −15 dB is fine on LongSlow but unusable on ShortFast). RSSI is shown but is not part of the rating. In the table, _limit_ is the preset's SNR limit.
|
||||
Signal quality is rated from **SNR relative to the active LoRa modem preset's demodulation floor**, not from fixed thresholds — a given SNR means different things on different presets (e.g. −15 dB is fine on LongSlow but unusable on ShortFast). When RSSI and a noise-floor reading are both available, the app also rates their difference against the preset limit and uses the worse rating. Otherwise, RSSI is display-only. In the table, _limit_ is the preset's SNR limit.
|
||||
|
||||
Quality | Criteria |
|
||||
-------- | ---------------------------------------------------------------- |
|
||||
|
||||
@@ -145,6 +145,8 @@ Tap the hop-histogram icon in the node list's app bar to open a bar chart of how
|
||||
|
||||
Tapping a node opens the detail view with comprehensive information. See [Node Metrics](node-metrics) for full details on metrics and telemetry.
|
||||
|
||||
Signal quality is rated against your modem preset. The same SNR can be good on a long-range preset and poor on a faster one. Traceroute and neighbor-info SNR colors use that preset too. RSSI text has its own strength colors; it affects the quality rating only when a noise-floor reading is also available.
|
||||
|
||||
The Details card carries the node's short name, role, IDs, last heard time, hops away, uptime, and its SNR and RSSI:
|
||||
|
||||
|
||||
|
||||
@@ -107,13 +107,13 @@ The Lite, Narrow, Medium Turbo, and Tiny presets need firmware 2.8 or newer —
|
||||
Short Slow | ~5 km | 6.25 kbps | −10 dB | Suburban short-range; moderate building density |
|
||||
Medium Fast | ~5 km | 3.52 kbps | −12.5 dB | Suburban areas; moderate building density |
|
||||
Medium Slow | ~8 km | 1.95 kbps | −15 dB | Suburban/rural; moderate range with slower speed |
|
||||
Long Turbo | ~10 km | 1.34 kbps | −12.5 dB | Similar range to Long Fast but with 500 kHz bandwidth; faster throughput |
|
||||
Long Turbo | ~10 km | 1.34 kbps | −17.5 dB | Similar range to Long Fast but with 500 kHz bandwidth; faster throughput |
|
||||
Long Fast | ~10 km | 1.1 kbps | −17.5 dB | **General use (default)** — balanced range and speed |
|
||||
Long Moderate | ~20 km | 0.34 kbps | −17.5 dB | Rural with some terrain; occasional use |
|
||||
Lite Fast | ~5 km | 1.76 kbps | −12.5 dB | EU 866 MHz SRD band (125 kHz BW); comparable to Medium Fast |
|
||||
Lite Slow | ~10 km | 0.98 kbps | −15 dB | EU 866 MHz SRD band (125 kHz BW); comparable to Long Fast |
|
||||
Narrow Fast | ~5 km | 2.28 kbps | −10 dB | EU 868 MHz band (62.5 kHz BW); avoids interference with other devices |
|
||||
Narrow Slow | ~10 km | 1.30 kbps | −12.5 dB | EU 868 MHz band (62.5 kHz BW); comparable to Long Fast |
|
||||
Narrow Fast | ~5 km | 2.28 kbps | −7.5 dB | EU 868 MHz band (62.5 kHz BW); avoids interference with other devices |
|
||||
Narrow Slow | ~10 km | 1.30 kbps | −10 dB | EU 868 MHz band (62.5 kHz BW); comparable to Long Fast |
|
||||
Medium Turbo | ~5 km | 7.0 kbps | −12.5 dB | Like Medium Fast but with 500 kHz bandwidth; not legal in every region. Needs firmware 2.8 or newer |
|
||||
Tiny Fast | ~10 km | 0.68 kbps | −7.5 dB | Amateur bands that cap occupied bandwidth; these presets use 15.6 kHz. Needs firmware 2.8 or newer, an SX126x or SX127x radio, and a TCXO of ±5 ppm or better |
|
||||
Tiny Slow | ~20 km | 0.33 kbps | −10 dB | Same band restrictions as Tiny Fast, longer range. Same firmware, radio, and TCXO requirements |
|
||||
|
||||
@@ -28,7 +28,7 @@ Each modem preset has an SNR limit: the lowest SNR at which that preset can stil
|
||||
|
||||
## Rating Signal Quality
|
||||
|
||||
The app rates signal quality (None, Bad, Fair, or Good) from SNR alone, measured against the active preset's SNR limit. It does not factor in RSSI: without knowing the local noise floor, RSSI alone cannot say whether a signal is decodable. RSSI is still available — on the node detail screen and in the metrics charts.
|
||||
The app rates signal quality (None, Bad, Fair, or Good) from SNR relative to the active preset's SNR limit. When RSSI and a noise-floor reading are both available, it also rates the difference between them against that limit and uses the worse rating. Otherwise, it uses SNR alone.
|
||||
|
||||
Because the rating is relative to the preset, the same SNR rates differently on different presets. An SNR of −16 dB rates Good on Long Fast (SNR limit −17.5 dB) but None on Short Fast (SNR limit −7.5 dB). Let `limit` be the active preset's SNR limit:
|
||||
|
||||
@@ -41,7 +41,7 @@ Because the rating is relative to the preset, the same SNR rates differently on
|
||||
|
||||
The icon never goes blank, so count the bars carefully: a single bar means None, not a weak but usable link, and Good is a solid wedge rather than a set of bars. A gray three-bar icon labeled Unknown is a different state again — the packet carried no SNR measurement at all, which is not the same as measuring one and finding it too weak.
|
||||
|
||||
> ℹ️ **Note:** Traceroute hop colors use fixed thresholds (−7 dB / −15 dB); the per-node signal meter uses the preset-relative rating instead.
|
||||
> ℹ️ **Note:** Traceroute and neighbor-info SNR colors use the active preset's limits too. RSSI text has separate strength colors: green above −115 dBm, yellow above −120 dBm, orange above −126 dBm, and red at or below −126 dBm.
|
||||
|
||||
## Diagnosing Local Interference
|
||||
|
||||
|
||||
@@ -110,7 +110,7 @@ Radio signal quality information:
|
||||
|
||||
### Signal Quality Reference
|
||||
|
||||
Signal quality is rated from **SNR relative to the active LoRa modem preset's demodulation floor**, not from fixed thresholds — a given SNR means different things on different presets (e.g. −15 dB is fine on LongSlow but unusable on ShortFast). RSSI is shown but is not part of the rating. In the table, _limit_ is the preset's SNR limit.
|
||||
Signal quality is rated from **SNR relative to the active LoRa modem preset's demodulation floor**, not from fixed thresholds — a given SNR means different things on different presets (e.g. −15 dB is fine on LongSlow but unusable on ShortFast). When RSSI and a noise-floor reading are both available, the app also rates their difference against the preset limit and uses the worse rating. Otherwise, RSSI is display-only. In the table, _limit_ is the preset's SNR limit.
|
||||
|
||||
Quality | Criteria |
|
||||
-------- | ---------------------------------------------------------------- |
|
||||
|
||||
@@ -145,6 +145,8 @@ Tap the hop-histogram icon in the node list's app bar to open a bar chart of how
|
||||
|
||||
Tapping a node opens the detail view with comprehensive information. See [Node Metrics](node-metrics) for full details on metrics and telemetry.
|
||||
|
||||
Signal quality is rated against your modem preset. The same SNR can be good on a long-range preset and poor on a faster one. Traceroute and neighbor-info SNR colors use that preset too. RSSI text has its own strength colors; it affects the quality rating only when a noise-floor reading is also available.
|
||||
|
||||
The Details card carries the node's short name, role, IDs, last heard time, hops away, uptime, and its SNR and RSSI:
|
||||
|
||||
|
||||
|
||||
@@ -107,13 +107,13 @@ The Lite, Narrow, Medium Turbo, and Tiny presets need firmware 2.8 or newer —
|
||||
Short Slow | ~5 km | 6.25 kbps | −10 dB | Suburban short-range; moderate building density |
|
||||
Medium Fast | ~5 km | 3.52 kbps | −12.5 dB | Suburban areas; moderate building density |
|
||||
Medium Slow | ~8 km | 1.95 kbps | −15 dB | Suburban/rural; moderate range with slower speed |
|
||||
Long Turbo | ~10 km | 1.34 kbps | −12.5 dB | Similar range to Long Fast but with 500 kHz bandwidth; faster throughput |
|
||||
Long Turbo | ~10 km | 1.34 kbps | −17.5 dB | Similar range to Long Fast but with 500 kHz bandwidth; faster throughput |
|
||||
Long Fast | ~10 km | 1.1 kbps | −17.5 dB | **General use (default)** — balanced range and speed |
|
||||
Long Moderate | ~20 km | 0.34 kbps | −17.5 dB | Rural with some terrain; occasional use |
|
||||
Lite Fast | ~5 km | 1.76 kbps | −12.5 dB | EU 866 MHz SRD band (125 kHz BW); comparable to Medium Fast |
|
||||
Lite Slow | ~10 km | 0.98 kbps | −15 dB | EU 866 MHz SRD band (125 kHz BW); comparable to Long Fast |
|
||||
Narrow Fast | ~5 km | 2.28 kbps | −10 dB | EU 868 MHz band (62.5 kHz BW); avoids interference with other devices |
|
||||
Narrow Slow | ~10 km | 1.30 kbps | −12.5 dB | EU 868 MHz band (62.5 kHz BW); comparable to Long Fast |
|
||||
Narrow Fast | ~5 km | 2.28 kbps | −7.5 dB | EU 868 MHz band (62.5 kHz BW); avoids interference with other devices |
|
||||
Narrow Slow | ~10 km | 1.30 kbps | −10 dB | EU 868 MHz band (62.5 kHz BW); comparable to Long Fast |
|
||||
Medium Turbo | ~5 km | 7.0 kbps | −12.5 dB | Like Medium Fast but with 500 kHz bandwidth; not legal in every region. Needs firmware 2.8 or newer |
|
||||
Tiny Fast | ~10 km | 0.68 kbps | −7.5 dB | Amateur bands that cap occupied bandwidth; these presets use 15.6 kHz. Needs firmware 2.8 or newer, an SX126x or SX127x radio, and a TCXO of ±5 ppm or better |
|
||||
Tiny Slow | ~20 km | 0.33 kbps | −10 dB | Same band restrictions as Tiny Fast, longer range. Same firmware, radio, and TCXO requirements |
|
||||
|
||||
@@ -28,7 +28,7 @@ Each modem preset has an SNR limit: the lowest SNR at which that preset can stil
|
||||
|
||||
## Rating Signal Quality
|
||||
|
||||
The app rates signal quality (None, Bad, Fair, or Good) from SNR alone, measured against the active preset's SNR limit. It does not factor in RSSI: without knowing the local noise floor, RSSI alone cannot say whether a signal is decodable. RSSI is still available — on the node detail screen and in the metrics charts.
|
||||
The app rates signal quality (None, Bad, Fair, or Good) from SNR relative to the active preset's SNR limit. When RSSI and a noise-floor reading are both available, it also rates the difference between them against that limit and uses the worse rating. Otherwise, it uses SNR alone.
|
||||
|
||||
Because the rating is relative to the preset, the same SNR rates differently on different presets. An SNR of −16 dB rates Good on Long Fast (SNR limit −17.5 dB) but None on Short Fast (SNR limit −7.5 dB). Let `limit` be the active preset's SNR limit:
|
||||
|
||||
@@ -41,7 +41,7 @@ Because the rating is relative to the preset, the same SNR rates differently on
|
||||
|
||||
The icon never goes blank, so count the bars carefully: a single bar means None, not a weak but usable link, and Good is a solid wedge rather than a set of bars. A gray three-bar icon labeled Unknown is a different state again — the packet carried no SNR measurement at all, which is not the same as measuring one and finding it too weak.
|
||||
|
||||
> ℹ️ **Note:** Traceroute hop colors use fixed thresholds (−7 dB / −15 dB); the per-node signal meter uses the preset-relative rating instead.
|
||||
> ℹ️ **Note:** Traceroute and neighbor-info SNR colors use the active preset's limits too. RSSI text has separate strength colors: green above −115 dBm, yellow above −120 dBm, orange above −126 dBm, and red at or below −126 dBm.
|
||||
|
||||
## Diagnosing Local Interference
|
||||
|
||||
|
||||
@@ -110,7 +110,7 @@ Radio signal quality information:
|
||||
|
||||
### Signal Quality Reference
|
||||
|
||||
Signal quality is rated from **SNR relative to the active LoRa modem preset's demodulation floor**, not from fixed thresholds — a given SNR means different things on different presets (e.g. −15 dB is fine on LongSlow but unusable on ShortFast). RSSI is shown but is not part of the rating. In the table, _limit_ is the preset's SNR limit.
|
||||
Signal quality is rated from **SNR relative to the active LoRa modem preset's demodulation floor**, not from fixed thresholds — a given SNR means different things on different presets (e.g. −15 dB is fine on LongSlow but unusable on ShortFast). When RSSI and a noise-floor reading are both available, the app also rates their difference against the preset limit and uses the worse rating. Otherwise, RSSI is display-only. In the table, _limit_ is the preset's SNR limit.
|
||||
|
||||
Quality | Criteria |
|
||||
---------------- | ---------------------------------------------------------------- |
|
||||
|
||||
@@ -145,6 +145,8 @@ Tap the hop-histogram icon in the node list's app bar to open a bar chart of how
|
||||
|
||||
Tapping a node opens the detail view with comprehensive information. See [Node Metrics](node-metrics) for full details on metrics and telemetry.
|
||||
|
||||
Signal quality is rated against your modem preset. The same SNR can be good on a long-range preset and poor on a faster one. Traceroute and neighbor-info SNR colors use that preset too. RSSI text has its own strength colors; it affects the quality rating only when a noise-floor reading is also available.
|
||||
|
||||
The Details card carries the node's short name, role, IDs, last heard time, hops away, uptime, and its SNR and RSSI:
|
||||
|
||||
|
||||
|
||||
@@ -107,13 +107,13 @@ The Lite, Narrow, Medium Turbo, and Tiny presets need firmware 2.8 or newer —
|
||||
Short Slow | ~5 km | 6.25 kbps | −10 dB | Suburban short-range; moderate building density |
|
||||
Medium Fast | ~5 km | 3.52 kbps | −12.5 dB | Suburban areas; moderate building density |
|
||||
Medium Slow | ~8 km | 1.95 kbps | −15 dB | Suburban/rural; moderate range with slower speed |
|
||||
Long Turbo | ~10 km | 1.34 kbps | −12.5 dB | Similar range to Long Fast but with 500 kHz bandwidth; faster throughput |
|
||||
Long Turbo | ~10 km | 1.34 kbps | −17.5 dB | Similar range to Long Fast but with 500 kHz bandwidth; faster throughput |
|
||||
Long Fast | ~10 km | 1.1 kbps | −17.5 dB | **General use (default)** — balanced range and speed |
|
||||
Long Moderate | ~20 km | 0.34 kbps | −17.5 dB | Rural with some terrain; occasional use |
|
||||
Lite Fast | ~5 km | 1.76 kbps | −12.5 dB | EU 866 MHz SRD band (125 kHz BW); comparable to Medium Fast |
|
||||
Lite Slow | ~10 km | 0.98 kbps | −15 dB | EU 866 MHz SRD band (125 kHz BW); comparable to Long Fast |
|
||||
Narrow Fast | ~5 km | 2.28 kbps | −10 dB | EU 868 MHz band (62.5 kHz BW); avoids interference with other devices |
|
||||
Narrow Slow | ~10 km | 1.30 kbps | −12.5 dB | EU 868 MHz band (62.5 kHz BW); comparable to Long Fast |
|
||||
Narrow Fast | ~5 km | 2.28 kbps | −7.5 dB | EU 868 MHz band (62.5 kHz BW); avoids interference with other devices |
|
||||
Narrow Slow | ~10 km | 1.30 kbps | −10 dB | EU 868 MHz band (62.5 kHz BW); comparable to Long Fast |
|
||||
Medium Turbo | ~5 km | 7.0 kbps | −12.5 dB | Like Medium Fast but with 500 kHz bandwidth; not legal in every region. Needs firmware 2.8 or newer |
|
||||
Tiny Fast | ~10 km | 0.68 kbps | −7.5 dB | Amateur bands that cap occupied bandwidth; these presets use 15.6 kHz. Needs firmware 2.8 or newer, an SX126x or SX127x radio, and a TCXO of ±5 ppm or better |
|
||||
Tiny Slow | ~20 km | 0.33 kbps | −10 dB | Same band restrictions as Tiny Fast, longer range. Same firmware, radio, and TCXO requirements |
|
||||
|
||||
@@ -28,7 +28,7 @@ Each modem preset has an SNR limit: the lowest SNR at which that preset can stil
|
||||
|
||||
## Rating Signal Quality
|
||||
|
||||
The app rates signal quality (None, Bad, Fair, or Good) from SNR alone, measured against the active preset's SNR limit. It does not factor in RSSI: without knowing the local noise floor, RSSI alone cannot say whether a signal is decodable. RSSI is still available — on the node detail screen and in the metrics charts.
|
||||
The app rates signal quality (None, Bad, Fair, or Good) from SNR relative to the active preset's SNR limit. When RSSI and a noise-floor reading are both available, it also rates the difference between them against that limit and uses the worse rating. Otherwise, it uses SNR alone.
|
||||
|
||||
Because the rating is relative to the preset, the same SNR rates differently on different presets. An SNR of −16 dB rates Good on Long Fast (SNR limit −17.5 dB) but None on Short Fast (SNR limit −7.5 dB). Let `limit` be the active preset's SNR limit:
|
||||
|
||||
@@ -41,7 +41,7 @@ Because the rating is relative to the preset, the same SNR rates differently on
|
||||
|
||||
The icon never goes blank, so count the bars carefully: a single bar means None, not a weak but usable link, and Good is a solid wedge rather than a set of bars. A gray three-bar icon labeled Unknown is a different state again — the packet carried no SNR measurement at all, which is not the same as measuring one and finding it too weak.
|
||||
|
||||
> ℹ️ **Note:** Traceroute hop colors use fixed thresholds (−7 dB / −15 dB); the per-node signal meter uses the preset-relative rating instead.
|
||||
> ℹ️ **Note:** Traceroute and neighbor-info SNR colors use the active preset's limits too. RSSI text has separate strength colors: green above −115 dBm, yellow above −120 dBm, orange above −126 dBm, and red at or below −126 dBm.
|
||||
|
||||
## Diagnosing Local Interference
|
||||
|
||||
|
||||
@@ -110,7 +110,7 @@ Radio signal quality information:
|
||||
|
||||
### Signal Quality Reference
|
||||
|
||||
Signal quality is rated from **SNR relative to the active LoRa modem preset's demodulation floor**, not from fixed thresholds — a given SNR means different things on different presets (e.g. −15 dB is fine on LongSlow but unusable on ShortFast). RSSI is shown but is not part of the rating. In the table, _limit_ is the preset's SNR limit.
|
||||
Signal quality is rated from **SNR relative to the active LoRa modem preset's demodulation floor**, not from fixed thresholds — a given SNR means different things on different presets (e.g. −15 dB is fine on LongSlow but unusable on ShortFast). When RSSI and a noise-floor reading are both available, the app also rates their difference against the preset limit and uses the worse rating. Otherwise, RSSI is display-only. In the table, _limit_ is the preset's SNR limit.
|
||||
|
||||
Quality | Criteria |
|
||||
------- | ---------------------------------------------------------------- |
|
||||
|
||||
@@ -145,6 +145,8 @@ Tap the hop-histogram icon in the node list's app bar to open a bar chart of how
|
||||
|
||||
Tapping a node opens the detail view with comprehensive information. See [Node Metrics](node-metrics) for full details on metrics and telemetry.
|
||||
|
||||
Signal quality is rated against your modem preset. The same SNR can be good on a long-range preset and poor on a faster one. Traceroute and neighbor-info SNR colors use that preset too. RSSI text has its own strength colors; it affects the quality rating only when a noise-floor reading is also available.
|
||||
|
||||
The Details card carries the node's short name, role, IDs, last heard time, hops away, uptime, and its SNR and RSSI:
|
||||
|
||||
|
||||
|
||||
@@ -107,13 +107,13 @@ The Lite, Narrow, Medium Turbo, and Tiny presets need firmware 2.8 or newer —
|
||||
Short Slow | ~5 km | 6.25 kbps | −10 dB | Suburban short-range; moderate building density |
|
||||
Medium Fast | ~5 km | 3.52 kbps | −12.5 dB | Suburban areas; moderate building density |
|
||||
Medium Slow | ~8 km | 1.95 kbps | −15 dB | Suburban/rural; moderate range with slower speed |
|
||||
Long Turbo | ~10 km | 1.34 kbps | −12.5 dB | Similar range to Long Fast but with 500 kHz bandwidth; faster throughput |
|
||||
Long Turbo | ~10 km | 1.34 kbps | −17.5 dB | Similar range to Long Fast but with 500 kHz bandwidth; faster throughput |
|
||||
Long Fast | ~10 km | 1.1 kbps | −17.5 dB | **General use (default)** — balanced range and speed |
|
||||
Long Moderate | ~20 km | 0.34 kbps | −17.5 dB | Rural with some terrain; occasional use |
|
||||
Lite Fast | ~5 km | 1.76 kbps | −12.5 dB | EU 866 MHz SRD band (125 kHz BW); comparable to Medium Fast |
|
||||
Lite Slow | ~10 km | 0.98 kbps | −15 dB | EU 866 MHz SRD band (125 kHz BW); comparable to Long Fast |
|
||||
Narrow Fast | ~5 km | 2.28 kbps | −10 dB | EU 868 MHz band (62.5 kHz BW); avoids interference with other devices |
|
||||
Narrow Slow | ~10 km | 1.30 kbps | −12.5 dB | EU 868 MHz band (62.5 kHz BW); comparable to Long Fast |
|
||||
Narrow Fast | ~5 km | 2.28 kbps | −7.5 dB | EU 868 MHz band (62.5 kHz BW); avoids interference with other devices |
|
||||
Narrow Slow | ~10 km | 1.30 kbps | −10 dB | EU 868 MHz band (62.5 kHz BW); comparable to Long Fast |
|
||||
Medium Turbo | ~5 km | 7.0 kbps | −12.5 dB | Like Medium Fast but with 500 kHz bandwidth; not legal in every region. Needs firmware 2.8 or newer |
|
||||
Tiny Fast | ~10 km | 0.68 kbps | −7.5 dB | Amateur bands that cap occupied bandwidth; these presets use 15.6 kHz. Needs firmware 2.8 or newer, an SX126x or SX127x radio, and a TCXO of ±5 ppm or better |
|
||||
Tiny Slow | ~20 km | 0.33 kbps | −10 dB | Same band restrictions as Tiny Fast, longer range. Same firmware, radio, and TCXO requirements |
|
||||
|
||||
@@ -28,7 +28,7 @@ Each modem preset has an SNR limit: the lowest SNR at which that preset can stil
|
||||
|
||||
## Rating Signal Quality
|
||||
|
||||
The app rates signal quality (None, Bad, Fair, or Good) from SNR alone, measured against the active preset's SNR limit. It does not factor in RSSI: without knowing the local noise floor, RSSI alone cannot say whether a signal is decodable. RSSI is still available — on the node detail screen and in the metrics charts.
|
||||
The app rates signal quality (None, Bad, Fair, or Good) from SNR relative to the active preset's SNR limit. When RSSI and a noise-floor reading are both available, it also rates the difference between them against that limit and uses the worse rating. Otherwise, it uses SNR alone.
|
||||
|
||||
Because the rating is relative to the preset, the same SNR rates differently on different presets. An SNR of −16 dB rates Good on Long Fast (SNR limit −17.5 dB) but None on Short Fast (SNR limit −7.5 dB). Let `limit` be the active preset's SNR limit:
|
||||
|
||||
@@ -41,7 +41,7 @@ Because the rating is relative to the preset, the same SNR rates differently on
|
||||
|
||||
The icon never goes blank, so count the bars carefully: a single bar means None, not a weak but usable link, and Good is a solid wedge rather than a set of bars. A gray three-bar icon labeled Unknown is a different state again — the packet carried no SNR measurement at all, which is not the same as measuring one and finding it too weak.
|
||||
|
||||
> ℹ️ **Note:** Traceroute hop colors use fixed thresholds (−7 dB / −15 dB); the per-node signal meter uses the preset-relative rating instead.
|
||||
> ℹ️ **Note:** Traceroute and neighbor-info SNR colors use the active preset's limits too. RSSI text has separate strength colors: green above −115 dBm, yellow above −120 dBm, orange above −126 dBm, and red at or below −126 dBm.
|
||||
|
||||
## Diagnosing Local Interference
|
||||
|
||||
|
||||
@@ -110,7 +110,7 @@ Radio signal quality information:
|
||||
|
||||
### Signal Quality Reference
|
||||
|
||||
Signal quality is rated from **SNR relative to the active LoRa modem preset's demodulation floor**, not from fixed thresholds — a given SNR means different things on different presets (e.g. −15 dB is fine on LongSlow but unusable on ShortFast). RSSI is shown but is not part of the rating. In the table, _limit_ is the preset's SNR limit.
|
||||
Signal quality is rated from **SNR relative to the active LoRa modem preset's demodulation floor**, not from fixed thresholds — a given SNR means different things on different presets (e.g. −15 dB is fine on LongSlow but unusable on ShortFast). When RSSI and a noise-floor reading are both available, the app also rates their difference against the preset limit and uses the worse rating. Otherwise, RSSI is display-only. In the table, _limit_ is the preset's SNR limit.
|
||||
|
||||
Quality | Criteria |
|
||||
------- | ---------------------------------------------------------------- |
|
||||
|
||||
@@ -145,6 +145,8 @@ Tap the hop-histogram icon in the node list's app bar to open a bar chart of how
|
||||
|
||||
Tapping a node opens the detail view with comprehensive information. See [Node Metrics](node-metrics) for full details on metrics and telemetry.
|
||||
|
||||
Signal quality is rated against your modem preset. The same SNR can be good on a long-range preset and poor on a faster one. Traceroute and neighbor-info SNR colors use that preset too. RSSI text has its own strength colors; it affects the quality rating only when a noise-floor reading is also available.
|
||||
|
||||
The Details card carries the node's short name, role, IDs, last heard time, hops away, uptime, and its SNR and RSSI:
|
||||
|
||||
|
||||
|
||||
@@ -107,13 +107,13 @@ The Lite, Narrow, Medium Turbo, and Tiny presets need firmware 2.8 or newer —
|
||||
Short Slow | ~5 km | 6.25 kbps | −10 dB | Suburban short-range; moderate building density |
|
||||
Medium Fast | ~5 km | 3.52 kbps | −12.5 dB | Suburban areas; moderate building density |
|
||||
Medium Slow | ~8 km | 1.95 kbps | −15 dB | Suburban/rural; moderate range with slower speed |
|
||||
Long Turbo | ~10 km | 1.34 kbps | −12.5 dB | Similar range to Long Fast but with 500 kHz bandwidth; faster throughput |
|
||||
Long Turbo | ~10 km | 1.34 kbps | −17.5 dB | Similar range to Long Fast but with 500 kHz bandwidth; faster throughput |
|
||||
Long Fast | ~10 km | 1.1 kbps | −17.5 dB | **General use (default)** — balanced range and speed |
|
||||
Long Moderate | ~20 km | 0.34 kbps | −17.5 dB | Rural with some terrain; occasional use |
|
||||
Lite Fast | ~5 km | 1.76 kbps | −12.5 dB | EU 866 MHz SRD band (125 kHz BW); comparable to Medium Fast |
|
||||
Lite Slow | ~10 km | 0.98 kbps | −15 dB | EU 866 MHz SRD band (125 kHz BW); comparable to Long Fast |
|
||||
Narrow Fast | ~5 km | 2.28 kbps | −10 dB | EU 868 MHz band (62.5 kHz BW); avoids interference with other devices |
|
||||
Narrow Slow | ~10 km | 1.30 kbps | −12.5 dB | EU 868 MHz band (62.5 kHz BW); comparable to Long Fast |
|
||||
Narrow Fast | ~5 km | 2.28 kbps | −7.5 dB | EU 868 MHz band (62.5 kHz BW); avoids interference with other devices |
|
||||
Narrow Slow | ~10 km | 1.30 kbps | −10 dB | EU 868 MHz band (62.5 kHz BW); comparable to Long Fast |
|
||||
Medium Turbo | ~5 km | 7.0 kbps | −12.5 dB | Like Medium Fast but with 500 kHz bandwidth; not legal in every region. Needs firmware 2.8 or newer |
|
||||
Tiny Fast | ~10 km | 0.68 kbps | −7.5 dB | Amateur bands that cap occupied bandwidth; these presets use 15.6 kHz. Needs firmware 2.8 or newer, an SX126x or SX127x radio, and a TCXO of ±5 ppm or better |
|
||||
Tiny Slow | ~20 km | 0.33 kbps | −10 dB | Same band restrictions as Tiny Fast, longer range. Same firmware, radio, and TCXO requirements |
|
||||
|
||||
@@ -28,7 +28,7 @@ Each modem preset has an SNR limit: the lowest SNR at which that preset can stil
|
||||
|
||||
## Rating Signal Quality
|
||||
|
||||
The app rates signal quality (None, Bad, Fair, or Good) from SNR alone, measured against the active preset's SNR limit. It does not factor in RSSI: without knowing the local noise floor, RSSI alone cannot say whether a signal is decodable. RSSI is still available — on the node detail screen and in the metrics charts.
|
||||
The app rates signal quality (None, Bad, Fair, or Good) from SNR relative to the active preset's SNR limit. When RSSI and a noise-floor reading are both available, it also rates the difference between them against that limit and uses the worse rating. Otherwise, it uses SNR alone.
|
||||
|
||||
Because the rating is relative to the preset, the same SNR rates differently on different presets. An SNR of −16 dB rates Good on Long Fast (SNR limit −17.5 dB) but None on Short Fast (SNR limit −7.5 dB). Let `limit` be the active preset's SNR limit:
|
||||
|
||||
@@ -41,7 +41,7 @@ Because the rating is relative to the preset, the same SNR rates differently on
|
||||
|
||||
The icon never goes blank, so count the bars carefully: a single bar means None, not a weak but usable link, and Good is a solid wedge rather than a set of bars. A gray three-bar icon labeled Unknown is a different state again — the packet carried no SNR measurement at all, which is not the same as measuring one and finding it too weak.
|
||||
|
||||
> ℹ️ **Note:** Traceroute hop colors use fixed thresholds (−7 dB / −15 dB); the per-node signal meter uses the preset-relative rating instead.
|
||||
> ℹ️ **Note:** Traceroute and neighbor-info SNR colors use the active preset's limits too. RSSI text has separate strength colors: green above −115 dBm, yellow above −120 dBm, orange above −126 dBm, and red at or below −126 dBm.
|
||||
|
||||
## Diagnosing Local Interference
|
||||
|
||||
|
||||
@@ -110,7 +110,7 @@ Radio signal quality information:
|
||||
|
||||
### Signal Quality Reference
|
||||
|
||||
Signal quality is rated from **SNR relative to the active LoRa modem preset's demodulation floor**, not from fixed thresholds — a given SNR means different things on different presets (e.g. −15 dB is fine on LongSlow but unusable on ShortFast). RSSI is shown but is not part of the rating. In the table, _limit_ is the preset's SNR limit.
|
||||
Signal quality is rated from **SNR relative to the active LoRa modem preset's demodulation floor**, not from fixed thresholds — a given SNR means different things on different presets (e.g. −15 dB is fine on LongSlow but unusable on ShortFast). When RSSI and a noise-floor reading are both available, the app also rates their difference against the preset limit and uses the worse rating. Otherwise, RSSI is display-only. In the table, _limit_ is the preset's SNR limit.
|
||||
|
||||
Quality | Criteria |
|
||||
------- | ---------------------------------------------------------------- |
|
||||
|
||||
@@ -145,6 +145,8 @@ Tap the hop-histogram icon in the node list's app bar to open a bar chart of how
|
||||
|
||||
Tapping a node opens the detail view with comprehensive information. See [Node Metrics](node-metrics) for full details on metrics and telemetry.
|
||||
|
||||
Signal quality is rated against your modem preset. The same SNR can be good on a long-range preset and poor on a faster one. Traceroute and neighbor-info SNR colors use that preset too. RSSI text has its own strength colors; it affects the quality rating only when a noise-floor reading is also available.
|
||||
|
||||
The Details card carries the node's short name, role, IDs, last heard time, hops away, uptime, and its SNR and RSSI:
|
||||
|
||||
|
||||
|
||||
@@ -107,13 +107,13 @@ The Lite, Narrow, Medium Turbo, and Tiny presets need firmware 2.8 or newer —
|
||||
Short Slow | ~5 km | 6.25 kbps | −10 dB | Suburban short-range; moderate building density |
|
||||
Medium Fast | ~5 km | 3.52 kbps | −12.5 dB | Suburban areas; moderate building density |
|
||||
Medium Slow | ~8 km | 1.95 kbps | −15 dB | Suburban/rural; moderate range with slower speed |
|
||||
Long Turbo | ~10 km | 1.34 kbps | −12.5 dB | Similar range to Long Fast but with 500 kHz bandwidth; faster throughput |
|
||||
Long Turbo | ~10 km | 1.34 kbps | −17.5 dB | Similar range to Long Fast but with 500 kHz bandwidth; faster throughput |
|
||||
Long Fast | ~10 km | 1.1 kbps | −17.5 dB | **General use (default)** — balanced range and speed |
|
||||
Long Moderate | ~20 km | 0.34 kbps | −17.5 dB | Rural with some terrain; occasional use |
|
||||
Lite Fast | ~5 km | 1.76 kbps | −12.5 dB | EU 866 MHz SRD band (125 kHz BW); comparable to Medium Fast |
|
||||
Lite Slow | ~10 km | 0.98 kbps | −15 dB | EU 866 MHz SRD band (125 kHz BW); comparable to Long Fast |
|
||||
Narrow Fast | ~5 km | 2.28 kbps | −10 dB | EU 868 MHz band (62.5 kHz BW); avoids interference with other devices |
|
||||
Narrow Slow | ~10 km | 1.30 kbps | −12.5 dB | EU 868 MHz band (62.5 kHz BW); comparable to Long Fast |
|
||||
Narrow Fast | ~5 km | 2.28 kbps | −7.5 dB | EU 868 MHz band (62.5 kHz BW); avoids interference with other devices |
|
||||
Narrow Slow | ~10 km | 1.30 kbps | −10 dB | EU 868 MHz band (62.5 kHz BW); comparable to Long Fast |
|
||||
Medium Turbo | ~5 km | 7.0 kbps | −12.5 dB | Like Medium Fast but with 500 kHz bandwidth; not legal in every region. Needs firmware 2.8 or newer |
|
||||
Tiny Fast | ~10 km | 0.68 kbps | −7.5 dB | Amateur bands that cap occupied bandwidth; these presets use 15.6 kHz. Needs firmware 2.8 or newer, an SX126x or SX127x radio, and a TCXO of ±5 ppm or better |
|
||||
Tiny Slow | ~20 km | 0.33 kbps | −10 dB | Same band restrictions as Tiny Fast, longer range. Same firmware, radio, and TCXO requirements |
|
||||
|
||||
@@ -28,7 +28,7 @@ Each modem preset has an SNR limit: the lowest SNR at which that preset can stil
|
||||
|
||||
## Rating Signal Quality
|
||||
|
||||
The app rates signal quality (None, Bad, Fair, or Good) from SNR alone, measured against the active preset's SNR limit. It does not factor in RSSI: without knowing the local noise floor, RSSI alone cannot say whether a signal is decodable. RSSI is still available — on the node detail screen and in the metrics charts.
|
||||
The app rates signal quality (None, Bad, Fair, or Good) from SNR relative to the active preset's SNR limit. When RSSI and a noise-floor reading are both available, it also rates the difference between them against that limit and uses the worse rating. Otherwise, it uses SNR alone.
|
||||
|
||||
Because the rating is relative to the preset, the same SNR rates differently on different presets. An SNR of −16 dB rates Good on Long Fast (SNR limit −17.5 dB) but None on Short Fast (SNR limit −7.5 dB). Let `limit` be the active preset's SNR limit:
|
||||
|
||||
@@ -41,7 +41,7 @@ Because the rating is relative to the preset, the same SNR rates differently on
|
||||
|
||||
The icon never goes blank, so count the bars carefully: a single bar means None, not a weak but usable link, and Good is a solid wedge rather than a set of bars. A gray three-bar icon labeled Unknown is a different state again — the packet carried no SNR measurement at all, which is not the same as measuring one and finding it too weak.
|
||||
|
||||
> ℹ️ **Note:** Traceroute hop colors use fixed thresholds (−7 dB / −15 dB); the per-node signal meter uses the preset-relative rating instead.
|
||||
> ℹ️ **Note:** Traceroute and neighbor-info SNR colors use the active preset's limits too. RSSI text has separate strength colors: green above −115 dBm, yellow above −120 dBm, orange above −126 dBm, and red at or below −126 dBm.
|
||||
|
||||
## Diagnosing Local Interference
|
||||
|
||||
|
||||
@@ -110,7 +110,7 @@ Radio signal quality information:
|
||||
|
||||
### Signal Quality Reference
|
||||
|
||||
Signal quality is rated from **SNR relative to the active LoRa modem preset's demodulation floor**, not from fixed thresholds — a given SNR means different things on different presets (e.g. −15 dB is fine on LongSlow but unusable on ShortFast). RSSI is shown but is not part of the rating. In the table, _limit_ is the preset's SNR limit.
|
||||
Signal quality is rated from **SNR relative to the active LoRa modem preset's demodulation floor**, not from fixed thresholds — a given SNR means different things on different presets (e.g. −15 dB is fine on LongSlow but unusable on ShortFast). When RSSI and a noise-floor reading are both available, the app also rates their difference against the preset limit and uses the worse rating. Otherwise, RSSI is display-only. In the table, _limit_ is the preset's SNR limit.
|
||||
|
||||
Quality | Criteria |
|
||||
--------- | ---------------------------------------------------------------- |
|
||||
|
||||
@@ -145,6 +145,8 @@ Tap the hop-histogram icon in the node list's app bar to open a bar chart of how
|
||||
|
||||
Tapping a node opens the detail view with comprehensive information. See [Node Metrics](node-metrics) for full details on metrics and telemetry.
|
||||
|
||||
Signal quality is rated against your modem preset. The same SNR can be good on a long-range preset and poor on a faster one. Traceroute and neighbor-info SNR colors use that preset too. RSSI text has its own strength colors; it affects the quality rating only when a noise-floor reading is also available.
|
||||
|
||||
The Details card carries the node's short name, role, IDs, last heard time, hops away, uptime, and its SNR and RSSI:
|
||||
|
||||
|
||||
|
||||
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