diff --git a/pins/pins_f4_stm32eda.h b/pins/pins_f4_stm32eda.h
index 039de73..ea3ae75 100644
--- a/pins/pins_f4_stm32eda.h
+++ b/pins/pins_f4_stm32eda.h
@@ -33,6 +33,7 @@ DSTAR    PB6    output
 DMR      PB5    output
 YSF      PB7    output
 POCSAG   PC10   output
+FM       PC11   output
 
 RX       PB0    analog input
 RSSI     PB1    analog input
@@ -82,6 +83,10 @@ EXT_CLK  PA15   input
 #define PORT_POCSAG       GPIOC
 #define RCC_Per_POCSAG    RCC_AHB1Periph_GPIOC
 
+#define PIN_FM            GPIO_Pin_11
+#define PORT_FM           GPIOC
+#define RCC_Per_FM        RCC_AHB1Periph_GPIOC
+
 #define PIN_EXT_CLK       GPIO_Pin_15
 #define SRC_EXT_CLK       GPIO_PinSource15
 #define PORT_EXT_CLK      GPIOA