diff --git a/radio/src/pulses/pulses_arm.h b/radio/src/pulses/pulses_arm.h
index 7dc7277b7..9a8fb4091 100644
--- a/radio/src/pulses/pulses_arm.h
+++ b/radio/src/pulses/pulses_arm.h
@@ -68,7 +68,7 @@ PACK(struct Dsm2PulsesData {
 });
 #endif
 
-#define CROSSFIRE_BAUDRATE             921600
+#define CROSSFIRE_BAUDRATE             400000
 #define CROSSFIRE_FRAME_LEN            25
 #define CROSSFIRE_CHANNELS_COUNT       16
 PACK(struct CrossfirePulsesData {