diff --git a/src/se/hal/plugin/tellstick/TellstickGroupProtocol.java b/src/se/hal/plugin/tellstick/TellstickGroupProtocol.java
new file mode 100755
index 00000000..4b2ed0f7
--- /dev/null
+++ b/src/se/hal/plugin/tellstick/TellstickGroupProtocol.java
@@ -0,0 +1,46 @@
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2015 Ziver Koc
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+package se.hal.plugin.tellstick;
+
+import se.hal.intf.HalEventController;
+import se.hal.intf.HalSensorController;
+
+/**
+ * Indicates that the implementing class is a protocol that can have group events.
+ * More specifically that on transmission will affect multiple devices.
+ */
+public interface TellstickGroupProtocol {
+
+    /**
+     * Protocols should extend this method if it has group functionality.
+     * @return true if this object an the input is in the same group.
+     */
+    public boolean equalsGroup(TellstickProtocol obj);
+
+    /**
+     * Copy the state data from the group to this object.
+     */
+    public void copyGroupData(TellstickGroupProtocol groupProtocol);
+}
diff --git a/src/se/hal/plugin/tellstick/TellstickProtocol.java b/src/se/hal/plugin/tellstick/TellstickProtocol.java
index 106f872a..aeee9c3d 100755
--- a/src/se/hal/plugin/tellstick/TellstickProtocol.java
+++ b/src/se/hal/plugin/tellstick/TellstickProtocol.java
@@ -66,11 +66,6 @@ public abstract class TellstickProtocol {
     public abstract String encode();
     public abstract void decode(byte[] data);
 
-    /**
-     * Protocols should extend this method if it has group functionality.
-     * @return true if this object an the input is in the same group.
-     */
-    public boolean equalsGroup(Object obj){
-        return false;
-    }
+    public abstract boolean equals(Object obj);
+
 }
diff --git a/src/se/hal/plugin/tellstick/TellstickSerialComm.java b/src/se/hal/plugin/tellstick/TellstickSerialComm.java
index d785e700..35c5afbb 100755
--- a/src/se/hal/plugin/tellstick/TellstickSerialComm.java
+++ b/src/se/hal/plugin/tellstick/TellstickSerialComm.java
@@ -131,9 +131,16 @@ public class TellstickSerialComm implements Runnable, HalSensorController, HalEv
                                 !registered && set.contains(data)) { // required duplicate transmissions before reporting unregistered devices
 
                             //Check for registered device that are in the same group
-                            for (TellstickProtocol childProtocol : registeredDevices){
-                                if (protocol.equalsGroup(childProtocol) && !protocol.equals(childProtocol))
-                                    reportEvent(protocol);
+                            if(protocol instanceof TellstickGroupProtocol) {
+                                TellstickGroupProtocol groupProtocol = (TellstickGroupProtocol) protocol;
+                                for (TellstickProtocol childProtocol : registeredDevices) {
+                                    if (childProtocol instanceof TellstickGroupProtocol &&
+                                            groupProtocol.equalsGroup(childProtocol) &&
+                                            !protocol.equals(childProtocol)) {
+                                        ((TellstickGroupProtocol) childProtocol).copyGroupData(groupProtocol);
+                                        reportEvent(childProtocol);
+                                    }
+                                }
                             }
                             // Report source event
                             reportEvent(protocol);
diff --git a/src/se/hal/plugin/tellstick/protocols/NexaSelfLearning.java b/src/se/hal/plugin/tellstick/protocols/NexaSelfLearning.java
index 2e038f3b..5917d182 100755
--- a/src/se/hal/plugin/tellstick/protocols/NexaSelfLearning.java
+++ b/src/se/hal/plugin/tellstick/protocols/NexaSelfLearning.java
@@ -22,6 +22,7 @@
 
 package se.hal.plugin.tellstick.protocols;
 
+import se.hal.plugin.tellstick.TellstickGroupProtocol;
 import se.hal.plugin.tellstick.TellstickProtocol;
 import se.hal.struct.SwitchEventData;
 import zutil.ui.Configurator;
@@ -29,7 +30,7 @@ import zutil.ui.Configurator;
 /**
  * Created by Ziver on 2015-02-18.
  */
-public class NexaSelfLearning extends TellstickProtocol implements SwitchEventData {
+public class NexaSelfLearning extends TellstickProtocol implements SwitchEventData,TellstickGroupProtocol {
 
     @Configurator.Configurable("House code")
     private int house = 0;
@@ -162,6 +163,7 @@ public class NexaSelfLearning extends TellstickProtocol implements SwitchEventDa
                 ";method:"+enable;
     }
 
+    @Override
     public boolean equals(Object obj){
         if(obj instanceof NexaSelfLearning)
             return ((NexaSelfLearning) obj).house == house &&
@@ -169,17 +171,21 @@ public class NexaSelfLearning extends TellstickProtocol implements SwitchEventDa
                     ((NexaSelfLearning)obj).unit == unit;
         return false;
     }
-    public boolean equalsGroup(Object obj){
+    @Override
+    public boolean equalsGroup(TellstickProtocol obj) {
         if(obj instanceof NexaSelfLearning)
             return ((NexaSelfLearning) obj).house == house &&
                     (((NexaSelfLearning) obj).group || group );
         return false;
     }
-
+    @Override
+    public void copyGroupData(TellstickGroupProtocol group) {
+        if(group instanceof NexaSelfLearning)
+            this.enable = ((NexaSelfLearning) group).enable;
+    }
 
     @Override
     public double getData() {
         return (enable ? 1 : 0);
     }
-
 }