diff --git a/meshtastic/__main__.py b/meshtastic/__main__.py
index cc9cff0..c032a36 100644
--- a/meshtastic/__main__.py
+++ b/meshtastic/__main__.py
@@ -1442,16 +1442,6 @@ def initParser():
         "--reply", help="Reply to received messages", action="store_true"
     )
 
-    group.add_argument(
-        "--gpio-wrb", nargs=2, help="Set a particular GPIO # to 1 or 0", action="append"
-    )
-
-    group.add_argument("--gpio-rd", help="Read from a GPIO mask (ex: '0x10')")
-
-    group.add_argument(
-        "--gpio-watch", help="Start watching a GPIO mask for changes (ex: '0x10')"
-    )
-
     group.add_argument(
         "--no-time",
         help="Suppress sending the current time to the mesh",
@@ -1490,7 +1480,7 @@ def initParser():
         "--pos-fields",
         help="Specify fields to send when sending a position. Use no argument for a list of valid values. "
         "Can pass multiple values as a space separated list like "
-        "this: '--pos-fields POS_ALTITUDE POS_ALT_MSL'",
+        "this: '--pos-fields ALTITUDE HEADING SPEED'",
         nargs="*",
         action="store",
     )
@@ -1531,6 +1521,21 @@ def initParser():
         action="store_true",
     )
 
+    remoteHardwareArgs = parser.add_argument_group('Remote Hardware', 'Arguments related to the Remote Hardware module')
+
+    remoteHardwareArgs.add_argument(
+        "--gpio-wrb", nargs=2, help="Set a particular GPIO # to 1 or 0", action="append"
+    )
+
+    remoteHardwareArgs.add_argument(
+        "--gpio-rd", help="Read from a GPIO mask (ex: '0x10')"
+    )
+
+    remoteHardwareArgs.add_argument(
+        "--gpio-watch", help="Start watching a GPIO mask for changes (ex: '0x10')"
+    )
+
+
     have_tunnel = platform.system() == "Linux"
     if have_tunnel:
         tunnelArgs = parser.add_argument_group('Tunnel', 'Arguments related to establishing a tunnel device over the mesh.')
diff --git a/meshtastic/ble_interface.py b/meshtastic/ble_interface.py
index bb30470..e0566aa 100644
--- a/meshtastic/ble_interface.py
+++ b/meshtastic/ble_interface.py
@@ -61,8 +61,11 @@ class BLEInterface(MeshInterface):
             self.close()
             raise e
 
-        #self.client.start_notify(LEGACY_LOGRADIO_UUID, self.legacy_log_radio_handler)
-        self.client.start_notify(LOGRADIO_UUID, self.log_radio_handler)
+        if self.client.has_characteristic(LEGACY_LOGRADIO_UUID):
+            self.client.start_notify(LEGACY_LOGRADIO_UUID, self.legacy_log_radio_handler)
+
+        if self.client.has_characteristic(LOGRADIO_UUID):
+            self.client.start_notify(LOGRADIO_UUID, self.log_radio_handler)
 
         logging.debug("Mesh configure starting")
         self._startConfig()
@@ -270,6 +273,10 @@ class BLEClient:
     def write_gatt_char(self, *args, **kwargs):  # pylint: disable=C0116
         self.async_await(self.bleak_client.write_gatt_char(*args, **kwargs))
 
+    def has_characteristic(self, specifier):
+        """Check if the connected node supports a specified characteristic."""
+        return bool(self.bleak_client.services.get_characteristic(specifier))
+
     def start_notify(self, *args, **kwargs):  # pylint: disable=C0116
         self.async_await(self.bleak_client.start_notify(*args, **kwargs))