diff --git a/examples/companion_radio/main.cpp b/examples/companion_radio/main.cpp
index 9c51a04c..1efcccde 100644
--- a/examples/companion_radio/main.cpp
+++ b/examples/companion_radio/main.cpp
@@ -534,6 +534,13 @@ public:
     #include <helpers/ArduinoSerialInterface.h>
     ArduinoSerialInterface serial_interface;
   #endif
+#elif defined(NRF52_PLATFORM)
+  #ifdef BLE_PIN_CODE
+    #error "BLE not defined yet"
+  #else
+    #include <helpers/ArduinoSerialInterface.h>
+    ArduinoSerialInterface serial_interface;
+  #endif
 #else
   #error "need to define a serial interface"
 #endif
diff --git a/platformio.ini b/platformio.ini
index e3415160..4a2867c4 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -316,3 +316,17 @@ lib_deps =
   ${rak4631.lib_deps}
   densaugeo/base64 @ ~1.4.0
   adafruit/RTClib @ ^2.1.3
+
+[env:RAK_4631_companion_radio_usb]
+extends = rak4631
+build_flags =
+  ${rak4631.build_flags} 
+  -D MAX_CONTACTS=100
+  -D MAX_GROUP_CHANNELS=1
+;  -D MESH_PACKET_LOGGING=1
+;  -D MESH_DEBUG=1
+build_src_filter = ${rak4631.build_src_filter} +<../examples/companion_radio/main.cpp>
+lib_deps =
+  ${rak4631.lib_deps}
+  adafruit/RTClib @ ^2.1.3
+  densaugeo/base64 @ ~1.4.0