diff --git a/hardware/arduino/zunoG2/cores/LLCore/zuno_sleep.cpp b/hardware/arduino/zunoG2/cores/LLCore/zuno_sleep.cpp
index d27e812f..8ef3fa30 100644
--- a/hardware/arduino/zunoG2/cores/LLCore/zuno_sleep.cpp
+++ b/hardware/arduino/zunoG2/cores/LLCore/zuno_sleep.cpp
@@ -18,6 +18,24 @@
 //   LOGGING_UART.println(regs->lr, HEX);
 //   #endif
 // }
+uint64_t rtcc_micros(void);
+void zunoSleepUpdateSendRadioCmd(void) {
+    zunoEnterCritical();
+    g_sleep_data.last_radio_cmd = rtcc_micros();
+    zunoExitCritical();
+}
+
+static bool _zunoSleepUpdateSendRadioCmdIsSleep(void) {
+    bool b_sleep;
+
+    zunoEnterCritical();
+    if ((rtcc_micros() > g_sleep_data.last_radio_cmd + (2 * 1000 * 1000)))
+        b_sleep = true;
+    else
+        b_sleep = false;
+    zunoExitCritical();
+    return (b_sleep);
+}
 
 __WEAK bool zunoSysServiceCanSleep();
 static uint8_t __zunoSleepingUpd(){
@@ -69,7 +87,8 @@ static uint8_t __zunoSleepingUpd(){
     if(timeout >= millis()){
         return 10; 
     }
-    
+    if(_zunoSleepUpdateSendRadioCmdIsSleep() == false)
+        return (11);
     #ifdef LOGGING_DBG
     LOGGING_UART.print("CORE CODE (");
     LOGGING_UART.print((uint32_t)zunoGetCurrentThreadHandle(), HEX);
@@ -262,6 +281,7 @@ void _zunoInitDefaultWakeup(){
 void _zunoInitSleepingData(){
     if (zunoIsSleepingMode() == false)
         return ;
+    g_sleep_data.last_radio_cmd = 0x0;
     g_sleep_data.timeout = ZUNO_SLEEP_INITIAL_TIMEOUT;
     g_sleep_data.user_latch = true;
     g_sleep_data.inclusion_latch = false;
diff --git a/hardware/arduino/zunoG2/cores/LLCore/zuno_sleep.h b/hardware/arduino/zunoG2/cores/LLCore/zuno_sleep.h
index fa23d9fc..b28302eb 100644
--- a/hardware/arduino/zunoG2/cores/LLCore/zuno_sleep.h
+++ b/hardware/arduino/zunoG2/cores/LLCore/zuno_sleep.h
@@ -5,6 +5,7 @@ void zunoSetSleepTimeout(uint8_t index, uint32_t timeout);
 void zunoSendDeviceToSleep(uint8_t mode = SLEEP_MODE_EM4);
 void zunoLockSleep(void);
 bool zunoIsSleepLocked();
+void zunoSleepUpdateSendRadioCmd(void);
 void zunoKickSleepTimeout(uint32_t ms);
 void zunoSetSleepingMode(byte mode);
 uint8_t zunoGetSleepingMode(void);
diff --git a/hardware/arduino/zunoG2/cores/ZWSupport/CommandQueue.c b/hardware/arduino/zunoG2/cores/ZWSupport/CommandQueue.c
index 0ae52a23..99bae0cd 100644
--- a/hardware/arduino/zunoG2/cores/ZWSupport/CommandQueue.c
+++ b/hardware/arduino/zunoG2/cores/ZWSupport/CommandQueue.c
@@ -133,6 +133,9 @@ static void _ZWQSend_outside(ZUNOCommandPacket_t *info, ZUNOCommandCmd_t *p) {
 	p->src_zw_channel = 0;
 	zunoSysCall(ZUNO_SYSFUNC_SENDPACKET, 1, p);
 	p->src_zw_channel = mapped_channel;
+	#if defined(WITH_CC_BATTERY) || defined(WITH_CC_WAKEUP)
+	zunoSleepUpdateSendRadioCmd();
+	#endif
 }
 
 void _ZWQSend(ZUNOCommandPacket_t *info){
@@ -159,7 +162,10 @@ void _ZWQSend(ZUNOCommandPacket_t *info){
 		return; // do not send association with multichannel encap to plain group
 	if (_ZWQSend_test(info, p, true) == false)
 		return ;
-	zunoSysCall(ZUNO_SYSFUNC_SENDPACKET, 1, p); 
+	zunoSysCall(ZUNO_SYSFUNC_SENDPACKET, 1, p);
+	#if defined(WITH_CC_BATTERY) || defined(WITH_CC_WAKEUP)
+	zunoSleepUpdateSendRadioCmd();
+	#endif
 }
 void _ZWQRemovePkg(ZUNOCommandPacket_t *info){
 	ZUNOCommandCmd_t							*p;
diff --git a/hardware/arduino/zunoG2/cores/ZWSupport/ZWSupport.c b/hardware/arduino/zunoG2/cores/ZWSupport/ZWSupport.c
index 6daa6f66..1adf0ae1 100644
--- a/hardware/arduino/zunoG2/cores/ZWSupport/ZWSupport.c
+++ b/hardware/arduino/zunoG2/cores/ZWSupport/ZWSupport.c
@@ -975,6 +975,9 @@ int zuno_CommandHandler(ZUNOCommandCmd_t *cmd) {
 	bool												supervision;
 	bool												multi;
 
+	#if defined(WITH_CC_BATTERY) || defined(WITH_CC_WAKEUP)
+	zunoSleepUpdateSendRadioCmd();
+	#endif
 	// delay(10); // TST!
 	#ifdef LOGGING_DBG
 	LOGGING_UART.print(millis());
diff --git a/hardware/arduino/zunoG2/cores/includes/ZUNO_SysTypes.h b/hardware/arduino/zunoG2/cores/includes/ZUNO_SysTypes.h
index 2ab1251d..2345a28e 100644
--- a/hardware/arduino/zunoG2/cores/includes/ZUNO_SysTypes.h
+++ b/hardware/arduino/zunoG2/cores/includes/ZUNO_SysTypes.h
@@ -200,6 +200,7 @@ typedef struct HandlerFunc_s{
 
 #define MAX_SLEEP_TIMERS 2
 typedef struct ZUNOSleepData_s{
+    uint64_t last_radio_cmd;
     uint32_t timeout;
     uint32_t wup_timeout;
     uint32_t em4_map;