diff --git a/main/ZgatewayBT.ino b/main/ZgatewayBT.ino
index 6e55afb..031c456 100644
--- a/main/ZgatewayBT.ino
+++ b/main/ZgatewayBT.ino
@@ -95,25 +95,30 @@ int minRssi = abs(MinimumRSSI); //minimum rssi value
 
 void pubBTMainCore(JsonObject& data, bool haPresenceEnabled = true) {
   if (abs((int)data["rssi"] | 0) < minRssi && data.containsKey("id")) {
-    String mac_address = data["id"].as<const char*>();
-    mac_address.replace(":", "");
-#  ifdef MQTTDecodeTopic
-    String mactopic;
-    if (data.containsKey("model")) {
-      mactopic = subjectBTtoMQTT + String("/") + mac_address;
-    } else {
-      mactopic = String("/") + MQTTDecodeTopic;
-    }
-#  else
-    String mactopic = subjectBTtoMQTT + String("/") + mac_address;
+    String topic = data["id"].as<const char*>();
+    topic.replace(":", ""); // Initially publish topic ends with mac address
+#  if useBeaconUuidForTopic
+    if (data.containsKey("model_id") && data["model_id"].as<String>() == "IBEACON")
+      topic = data["uuid"].as<const char*>(); // If model_id is IBEACON, use uuid as topic
 #  endif
-    pub((char*)mactopic.c_str(), data);
+#  ifdef MQTTDecodeTopic
+    if (!data.containsKey("model"))
+      topic = MQTTDecodeTopic; // If external decoder, topic is MQTTDecodeTopic
+#  endif
+    topic = subjectBTtoMQTT + String("/") + topic;
+    pub((char*)topic.c_str(), data);
   }
   if (haPresenceEnabled && data.containsKey("distance")) {
     if (data.containsKey("servicedatauuid"))
       data.remove("servicedatauuid");
     if (data.containsKey("servicedata"))
       data.remove("servicedata");
+#  if useBeaconUuidForPresence
+    if (data.containsKey("model_id") && data["model_id"].as<String>() == "IBEACON") {
+      data["mac"] = data["id"];
+      data["id"] = data["uuid"];
+    }
+#  endif
     String topic = String(Base_Topic) + "home_presence/" + String(gateway_name);
     Log.trace(F("Pub HA Presence %s" CR), topic.c_str());
     pub_custom_topic((char*)topic.c_str(), data, false);
diff --git a/main/config_BT.h b/main/config_BT.h
index c6c88be..2f6acc8 100644
--- a/main/config_BT.h
+++ b/main/config_BT.h
@@ -53,7 +53,7 @@ bool bleConnect = AttemptBLECOnnect;
 #define subjectBTtoMQTT    "/BTtoMQTT"
 #define subjectMQTTtoBTset "/commands/MQTTtoBT/config"
 // Uncomment to send undecoded device data to another gateway device for decoding
-// #define MQTTDecodeTopic    "BTtoMQTT/undecoded"
+// #define MQTTDecodeTopic    "undecoded"
 
 #define MinimumRSSI -100 //default minimum rssi value, all the devices below -90 will not be reported
 
@@ -127,9 +127,17 @@ bool hassPresence = HassPresence;
 #  define pubBLEServiceUUID false // define true if you want to publish the service UUID data
 #endif
 
+#ifndef useBeaconUuidForTopic
+#  define useBeaconUuidForTopic false // define true to use iBeacon UUID as topic, instead of sender (random) mac address
+#endif
+
 /*-------------------HOME ASSISTANT ROOM PRESENCE ----------------------*/
 #define subjectHomePresence "home_presence/" // will send Home Assistant room presence message to this topic (first part is same for all rooms, second is room name)
 
+#ifndef useBeaconUuidForPresence
+#  define useBeaconUuidForPresence false // //define true to use iBeacon UUID as for presence, instead of sender mac (random) address
+#endif
+
 /*-------------------PIN DEFINITIONS----------------------*/
 #if !defined(BT_RX) || !defined(BT_TX)
 #  ifdef ESP8266