diff --git a/docs/use/actuators.md b/docs/use/actuators.md
index b7c09b2..8ebe518 100644
--- a/docs/use/actuators.md
+++ b/docs/use/actuators.md
@@ -137,10 +137,12 @@ Optionally it can contain the following property:
 The middle button on physical Somfy RTS Remote controls is called "My".
 :::
 
+The frequency key is optional, if not set the gateway will use the default frequency defined by MQTTtoRF command at runtime or `RF_FREQUENCY` at buildtime.
+
 Send PROG command with remote 0:
 
-`mosquitto_pub -t home/OpenMQTTGateway_Somfy/commands/MQTTtoSomfy -m '{"remote":0,"command":"Prog"}'`
+`mosquitto_pub -t home/OpenMQTTGateway_Somfy/commands/MQTTtoSomfy -m '{"remote":0,"command":"Prog","frequency":433.92}'`
 
 Send Up command with remote 1:
 
-`mosquitto_pub -t home/OpenMQTTGateway_Somfy/commands/MQTTtoSomfy -m '{"remote":1,"command":"Up"}'`
+`mosquitto_pub -t home/OpenMQTTGateway_Somfy/commands/MQTTtoSomfy -m '{"remote":1,"command":"Up","frequency":433.92}'`
diff --git a/main/config_Somfy.h b/main/config_Somfy.h
index a8eda8e..dc397af 100644
--- a/main/config_Somfy.h
+++ b/main/config_Somfy.h
@@ -39,7 +39,4 @@ const uint32_t somfyRemotes[SOMFY_REMOTE_NUM] = {0x5184c8};
 /*-------------DEFINE YOUR MQTT PARAMETERS BELOW----------------*/
 #define subjectMQTTtoSomfy "/commands/MQTTtoSomfy"
 
-/*-------------------INTERNAL DEFINITIONS----------------------*/
-#define RF_FREQUENCY_SOMFY 433.42
-
 #endif