diff --git a/src/x9d/board_x9d.h b/src/x9d/board_x9d.h
index 0fecfdf09..6ad0f2330 100644
--- a/src/x9d/board_x9d.h
+++ b/src/x9d/board_x9d.h
@@ -151,6 +151,10 @@ void pwrInit();
 uint32_t pwrCheck();
 void pwrOff();
 #define UNEXPECTED_SHUTDOWN() (g_eeGeneral.unexpectedShutdown)
+#define INTERNAL_RF_ON()  GPIO_SetBits(GPIOPWR, PIN_INT_RF_PWR)
+#define INTERNAL_RF_OFF() GPIO_ResetBits(GPIOPWR, PIN_INT_RF_PWR)
+#define EXTERNAL_RF_ON()  GPIO_SetBits(GPIOPWR, PIN_EXT_RF_PWR)
+#define INTERNAL_RF_OFF() GPIO_ResetBits(GPIOPWR, PIN_EXT_RF_PWR)
 
 // Backlight driver
 #define setBacklight(xx)
diff --git a/src/x9d/hal.h b/src/x9d/hal.h
index 3c6a823d5..071b64241 100644
--- a/src/x9d/hal.h
+++ b/src/x9d/hal.h
@@ -158,6 +158,8 @@
 #define GPIOPWR                         GPIOD
 #define GPIOTRNDET                      GPIOA
 #define PIN_TRNDET                      GPIO_Pin_8
+#define PIN_INT_RF_PWR                  GPIO_Pin_15
+#define PIN_EXT_RF_PWR                  GPIO_Pin_8
 
 // Trainer Port
 #define PIN_TR_PPM_IN                   GPIO_Pin_8  //PC.08
diff --git a/src/x9d/pwr_driver.cpp b/src/x9d/pwr_driver.cpp
index 3fab5d494..9ca20636f 100644
--- a/src/x9d/pwr_driver.cpp
+++ b/src/x9d/pwr_driver.cpp
@@ -86,8 +86,16 @@ void pwrInit()
   GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
   GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP ;
   GPIO_Init(GPIOPWRLED, &GPIO_InitStructure);
+
+#if !defined(REV3)  
+  GPIO_ResetBits(GPIOPWR, PIN_INT_RF_PWR | PIN_EXT_RF_PWR);
+  GPIO_InitStructure.GPIO_Pin = PIN_INT_RF_PWR | PIN_EXT_RF_PWR;
+  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_OUT;
+  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_100MHz;
+  GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
+  GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP ;
+  GPIO_Init(GPIOPWR, &GPIO_InitStructure);
   
-#if !defined(REV3)
   GPIO_InitStructure.GPIO_Pin = PIN_TRNDET;
   GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN;
   GPIO_InitStructure.GPIO_Speed = GPIO_Speed_100MHz;