diff --git a/radio/src/targets/common/arm/stm32/bootloader/CMakeLists.txt b/radio/src/targets/common/arm/stm32/bootloader/CMakeLists.txt
index e6053c2ac..bd8403077 100644
--- a/radio/src/targets/common/arm/stm32/bootloader/CMakeLists.txt
+++ b/radio/src/targets/common/arm/stm32/bootloader/CMakeLists.txt
@@ -131,6 +131,13 @@ if(PCB STREQUAL X10 OR PCB STREQUAL X12S OR PCB STREQUAL NV14)
       )
   endif()
 
+  if(PCB STREQUAL NV14)
+    set(BOOTLOADER_SRC
+      ${BOOTLOADER_SRC}
+      ../../../../../targets/${TARGET_DIR}/extmodule_helper.cpp
+      )
+  endif()
+  
   if(DEBUG)
     set(BOOTLOADER_SRC
       ${BOOTLOADER_SRC}
diff --git a/radio/src/targets/nv14/board.h b/radio/src/targets/nv14/board.h
index b78083b07..d418c9d9e 100644
--- a/radio/src/targets/nv14/board.h
+++ b/radio/src/targets/nv14/board.h
@@ -115,6 +115,7 @@ void SDRAM_Init();
 #define INTERNAL_MODULE_ON()            GPIO_ResetBits(INTMODULE_PWR_GPIO, INTMODULE_PWR_GPIO_PIN)
 void EXTERNAL_MODULE_ON();
 void EXTERNAL_MODULE_OFF();
+#define EXTERNAL_MODULE_PWR_OFF EXTERNAL_MODULE_OFF
 #define BLUETOOTH_MODULE_ON()           GPIO_ResetBits(BLUETOOTH_ON_GPIO, BLUETOOTH_ON_GPIO_PIN)
 #define BLUETOOTH_MODULE_OFF()          GPIO_SetBits(BLUETOOTH_ON_GPIO, BLUETOOTH_ON_GPIO_PIN)
 #define IS_INTERNAL_MODULE_ON()         (GPIO_ReadInputDataBit(INTMODULE_PWR_GPIO, INTMODULE_PWR_GPIO_PIN) == Bit_SET)
diff --git a/radio/src/targets/nv14/hal.h b/radio/src/targets/nv14/hal.h
index d1bf217c8..a58372175 100644
--- a/radio/src/targets/nv14/hal.h
+++ b/radio/src/targets/nv14/hal.h
@@ -438,7 +438,6 @@
 #define EXTMODULE_PULSES
 #define EXTMODULE_PWR_GPIO              GPIOD
 #define EXTMODULE_PWR_GPIO_PIN          GPIO_Pin_11
-#define EXTERNAL_MODULE_PWR_OFF()       GPIO_ResetBits(EXTMODULE_PWR_GPIO, EXTMODULE_PWR_GPIO_PIN)
 #define EXTMODULE_PWR_FIX_GPIO          GPIOA
 #define EXTMODULE_PWR_FIX_GPIO_PIN      GPIO_Pin_2      // PA.02
 #define EXTMODULE_RCC_AHB1Periph                                        \