diff --git a/app/src/main/java/com/geeksville/mesh/model/Channel.kt b/app/src/main/java/com/geeksville/mesh/model/Channel.kt
index 872fa19a6..c748073a9 100644
--- a/app/src/main/java/com/geeksville/mesh/model/Channel.kt
+++ b/app/src/main/java/com/geeksville/mesh/model/Channel.kt
@@ -74,15 +74,3 @@ data class Channel(
         return barcodeEncoder.createBitmap(bitMatrix)
     }
 }
-
-
-/**
- * a nice readable description of modem configs
- */
-fun MeshProtos.ChannelSettings.ModemConfig.toHumanString(): String = when (this) {
-    MeshProtos.ChannelSettings.ModemConfig.Bw125Cr45Sf128 -> "Medium range (but fast)"
-    MeshProtos.ChannelSettings.ModemConfig.Bw500Cr45Sf128 -> "Short range (but fast)"
-    MeshProtos.ChannelSettings.ModemConfig.Bw31_25Cr48Sf512 -> "Long range (but slower)"
-    MeshProtos.ChannelSettings.ModemConfig.Bw125Cr48Sf4096 -> "Very long range (but slow)"
-    else -> this.toString()
-}
diff --git a/app/src/main/java/com/geeksville/mesh/model/ChannelOption.kt b/app/src/main/java/com/geeksville/mesh/model/ChannelOption.kt
new file mode 100644
index 000000000..318739496
--- /dev/null
+++ b/app/src/main/java/com/geeksville/mesh/model/ChannelOption.kt
@@ -0,0 +1,11 @@
+package com.geeksville.mesh.model
+
+import com.geeksville.mesh.MeshProtos
+import com.geeksville.mesh.R
+
+enum class ChannelOption(val modemConfig: MeshProtos.ChannelSettings.ModemConfig, val configRes: Int) {
+    SHORT(MeshProtos.ChannelSettings.ModemConfig.Bw125Cr45Sf128, R.string.modem_config_short),
+    MEDIUM(MeshProtos.ChannelSettings.ModemConfig.Bw500Cr45Sf128, R.string.modem_config_medium),
+    LONG(MeshProtos.ChannelSettings.ModemConfig.Bw31_25Cr48Sf512, R.string.modem_config_long),
+    VERY_LONG(MeshProtos.ChannelSettings.ModemConfig.Bw125Cr48Sf4096, R.string.modem_config_very_long)
+}
\ No newline at end of file
diff --git a/app/src/main/java/com/geeksville/mesh/ui/ChannelFragment.kt b/app/src/main/java/com/geeksville/mesh/ui/ChannelFragment.kt
index df8523a7c..ee9dd4823 100644
--- a/app/src/main/java/com/geeksville/mesh/ui/ChannelFragment.kt
+++ b/app/src/main/java/com/geeksville/mesh/ui/ChannelFragment.kt
@@ -17,9 +17,12 @@ import com.geeksville.analytics.DataPair
 import com.geeksville.android.GeeksvilleApplication
 import com.geeksville.android.Logging
 import com.geeksville.android.hideKeyboard
+import com.geeksville.mesh.MeshProtos
 import com.geeksville.mesh.R
 import com.geeksville.mesh.model.Channel
+import com.geeksville.mesh.model.ChannelOption
 import com.geeksville.mesh.model.UIViewModel
+import com.geeksville.mesh.model.toHumanRes
 import com.geeksville.mesh.service.MeshService
 import com.geeksville.util.Exceptions
 import com.google.android.material.dialog.MaterialAlertDialogBuilder
@@ -59,7 +62,7 @@ class ChannelFragment : ScreenFragment("Channel"), Logging {
     private fun onEditingChanged() {
         val isEditing = editableCheckbox.isChecked
 
-        channelOptions.isEnabled = false // Not yet ready
+        channelOptions.isEnabled = isEditing
         shareButton.isEnabled = !isEditing
         channelNameView.isEnabled = isEditing
         if (isEditing) // Dim the (stale) QR code while editing...
@@ -91,11 +94,12 @@ class ChannelFragment : ScreenFragment("Channel"), Logging {
         }
 
         onEditingChanged() // we just locked the gui
-
+        val modemConfigs = ChannelOption.values()
+        val modemConfigList = modemConfigs.map { getString(it.configRes) }
         val adapter = ArrayAdapter(
             requireContext(),
             R.layout.dropdown_menu_popup_item,
-            arrayOf("Item 1", "Item 2", "Item 3", "Item 4")
+            modemConfigList
         )
 
         filled_exposed_dropdown.setAdapter(adapter)
@@ -163,6 +167,8 @@ class ChannelFragment : ScreenFragment("Channel"), Logging {
                                 newSettings.psk = ByteString.copyFrom(Channel.channelDefaultKey)
                             }
 
+                            val selectedChannelOptionString = filled_exposed_dropdown.editableText.toString()
+                            newSettings.modemConfig = getModemConfig(selectedChannelOptionString)
                             // Try to change the radio, if it fails, tell the user why and throw away their redits
                             try {
                                 model.setChannel(newSettings.build())
@@ -200,4 +206,13 @@ class ChannelFragment : ScreenFragment("Channel"), Logging {
             setGUIfromModel()
         })
     }
+
+    private fun getModemConfig(selectedChannelOptionString: String): MeshProtos.ChannelSettings.ModemConfig {
+        for (item in ChannelOption.values()) {
+            if (getString(item.configRes) == selectedChannelOptionString)
+                return item.modemConfig
+        }
+
+        return MeshProtos.ChannelSettings.ModemConfig.UNRECOGNIZED
+    }
 }
diff --git a/app/src/main/res/values-fr/strings.xml b/app/src/main/res/values-fr/strings.xml
index da828d1d9..033450d2d 100644
--- a/app/src/main/res/values-fr/strings.xml
+++ b/app/src/main/res/values-fr/strings.xml
@@ -64,4 +64,8 @@
     <string name="pairing_failed_try_again">Le jumelage a échoué, veuillez sélectionner à nouveau</string>
     <string name="location_disabled">L\'accès à la position est désactivé, ne peut pas fournir de position au mesh.</string>
     <string name="update_to">Mise à jour vers %s</string>
+    <string name="modem_config_short">Courte distance (rapide)</string>
+    <string name="modem_config_medium">Moyenne distance (rapide)</string>
+    <string name="modem_config_long">Longue distance (plus lent)</string>
+    <string name="modem_config_very_long">Très longue distance (lent)</string>
 </resources>
\ No newline at end of file
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 1140ba58e..ebe3ad8dc 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -63,4 +63,9 @@
     <string name="app_too_old">Application too old</string>
     <string name="must_update">You must update this application on the Google Play store (or Github). It is too old to talk to this radio.</string>
     <string name="none">None (disable)</string>
+    <string name="modem_config_short">Short range (but fast)</string>
+    <string name="modem_config_medium">Medium range (but fast)</string>
+    <string name="modem_config_long">Long range (but slower)</string>
+    <string name="modem_config_very_long">Very long range (but slow)</string>
+    <string name="modem_config_unrecognized">UNRECOGNIZED</string>
 </resources>