diff --git a/arch/stm32/stm32.ini b/arch/stm32/stm32.ini
index ef38c3084..d5e615f5f 100644
--- a/arch/stm32/stm32.ini
+++ b/arch/stm32/stm32.ini
@@ -20,7 +20,7 @@ build_flags =
   -DMESHTASTIC_EXCLUDE_MQTT
   -DMESHTASTIC_EXCLUDE_BLUETOOTH
   -DMESHTASTIC_EXCLUDE_GPS
-  -DDEBUG_MUTE
+  ;-DDEBUG_MUTE
   -fmerge-all-constants
   -ffunction-sections
   -fdata-sections
@@ -39,4 +39,4 @@ lib_deps =
 
 lib_ignore =
   mathertel/OneButton@2.6.1
-  Wire
\ No newline at end of file
+  Wire
diff --git a/src/mesh/STM32WLE5JCInterface.cpp b/src/mesh/STM32WLE5JCInterface.cpp
index ad1f675b6..6a340dd28 100644
--- a/src/mesh/STM32WLE5JCInterface.cpp
+++ b/src/mesh/STM32WLE5JCInterface.cpp
@@ -18,8 +18,10 @@ bool STM32WLE5JCInterface::init()
 {
     RadioLibInterface::init();
 
-    // https://github.com/Seeed-Studio/LoRaWan-E5-Node/blob/main/Middlewares/Third_Party/SubGHz_Phy/stm32_radio_driver/radio_driver.c
+// https://github.com/Seeed-Studio/LoRaWan-E5-Node/blob/main/Middlewares/Third_Party/SubGHz_Phy/stm32_radio_driver/radio_driver.c
+#if (!defined(_VARIANT_RAK3172_))
     setTCXOVoltage(1.7);
+#endif
 
     lora.setRfSwitchTable(rfswitch_pins, rfswitch_table);
 
@@ -42,4 +44,4 @@ bool STM32WLE5JCInterface::init()
     return res == RADIOLIB_ERR_NONE;
 }
 
-#endif // ARCH_STM32WL
\ No newline at end of file
+#endif // ARCH_STM32WL
diff --git a/variants/rak3172/platformio.ini b/variants/rak3172/platformio.ini
index 2cf03da2e..456697aef 100644
--- a/variants/rak3172/platformio.ini
+++ b/variants/rak3172/platformio.ini
@@ -5,9 +5,6 @@ board_upload.maximum_size = 233472 ; reserve the last 28KB for filesystem
 build_flags =
   ${stm32_base.build_flags}
   -Ivariants/rak3172
-  -DSERIAL_UART_INSTANCE=1
-  -DPIN_SERIAL_RX=PB7
-  -DPIN_SERIAL_TX=PB6
   -DHAL_DAC_MODULE_ONLY
   -DHAL_RNG_MODULE_ENABLED
   -DRADIOLIB_EXCLUDE_SX128X=1
@@ -23,5 +20,4 @@ build_flags =
   -DMESHTASTIC_EXCLUDE_POWERMON=1
   ;-DPIO_FRAMEWORK_ARDUINO_NANOLIB_FLOAT_PRINTF
   ;-DCFG_DEBUG
-
-upload_port = stlink
\ No newline at end of file
+upload_port = stlink
diff --git a/variants/rak3172/variant.h b/variants/rak3172/variant.h
index 21de65b2c..21676f9cf 100644
--- a/variants/rak3172/variant.h
+++ b/variants/rak3172/variant.h
@@ -1,3 +1,8 @@
+/*
+STM32WLE5 Core Module for LoRaWAN® RAK3372
+https://store.rakwireless.com/products/wisblock-core-module-rak3372
+*/
+
 /*
 This variant is a work in progress.
 Do not expect a working Meshtastic device with this target.
@@ -9,4 +14,7 @@ Do not expect a working Meshtastic device with this target.
 #define USE_STM32WLx
 #define MAX_NUM_NODES 10
 
-#endif
\ No newline at end of file
+#define LED_PIN PA0 // Green LED
+#define LED_STATE_ON 1
+
+#endif