diff --git a/platform/cooja/dev/radio-arch.c b/platform/cooja/dev/radio-arch.c
index 6f6f03206..5bd45207f 100644
--- a/platform/cooja/dev/radio-arch.c
+++ b/platform/cooja/dev/radio-arch.c
@@ -26,7 +26,7 @@
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  *
- * $Id: radio-arch.c,v 1.4 2006/10/05 12:09:40 fros4943 Exp $
+ * $Id: radio-arch.c,v 1.5 2006/10/05 14:44:43 fros4943 Exp $
  */
 
 #include "dev/radio-arch.h"
@@ -56,8 +56,20 @@ char simOutDataBuffer[UIP_BUFSIZE];
 int simOutSize;
 
 char simRadioHWOn = 1;
-int simSignalStrength;
+int simSignalStrength = 0;
+char simPower = 100;
 
+/*-----------------------------------------------------------------------------------*/
+int
+radio_sstrength(void)
+{
+  return simSignalStrength;
+}
+/*-----------------------------------------------------------------------------------*/
+void radio_set_txpower(unsigned char power) {
+  // 1 - 100: Number indicating output power
+  simPower = power;
+}
 /*-----------------------------------------------------------------------------------*/
 static void
 doInterfaceActionsBeforeTick(void)
@@ -85,6 +97,8 @@ doInterfaceActionsBeforeTick(void)
     return;
   }
   
+  // ** Good place to add explicit manchester/gcr-encoding
+  
   // Hand over new packet to uIP
   uip_len = simInSize;
   memcpy(&uip_buf[UIP_LLH_LEN], &simInDataBuffer[0], simInSize);
@@ -120,8 +134,7 @@ simDoSend(void)
     return UIP_FW_ZEROLEN;
   }
   
-  // - Initiate transmission -
-  simTransmitting = 1;
+  // ** Good place to add explicit manchester/gcr-decoding
   
   // Copy packet data to temporary storage
   memcpy(&simOutDataBuffer[0], &uip_buf[UIP_LLH_LEN], uip_len);
@@ -131,7 +144,7 @@ simDoSend(void)
   while (simReceiving) {
     cooja_mt_yield();
   }
-	
+  
   // Busy-wait until ether is ready, or die (MAC imitation)
   int retries=0;
   /*	while (retries < 5 && simSignalStrength > -80) {
@@ -144,6 +157,10 @@ simDoSend(void)
   return UIP_FW_DROPPED;
   }
   */	
+
+  // - Initiate transmission -
+  simTransmitting = 1;
+
   // Busy-wait while transmitting
   while (simTransmitting) {
     cooja_mt_yield();
diff --git a/tools/cooja/java/se/sics/cooja/contikimote/interfaces/ContikiRadio.java b/tools/cooja/java/se/sics/cooja/contikimote/interfaces/ContikiRadio.java
index 8456ff9a5..6d7c3fb8c 100644
--- a/tools/cooja/java/se/sics/cooja/contikimote/interfaces/ContikiRadio.java
+++ b/tools/cooja/java/se/sics/cooja/contikimote/interfaces/ContikiRadio.java
@@ -26,7 +26,7 @@
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  *
- * $Id: ContikiRadio.java,v 1.6 2006/10/05 12:27:30 fros4943 Exp $
+ * $Id: ContikiRadio.java,v 1.7 2006/10/05 14:46:16 fros4943 Exp $
  */
 
 package se.sics.cooja.contikimote.interfaces;
@@ -62,6 +62,7 @@ import se.sics.cooja.interfaces.Radio;
  * <p>
  * <li>char simRadioHWOn (radio hardware status (on/off))
  * <li>int simSignalStrength (heard radio signal strength)
+ * <li>char simPower (number indicating power output)
  * </ul>
  * <p>
  * Dependency core interfaces are:
@@ -103,6 +104,8 @@ public class ContikiRadio extends Radio implements ContikiMoteInterface {
 
   private RadioEvent lastEvent = RadioEvent.UNKNOWN;
   private int lastEventTime = 0;
+ 
+  private int oldOutputPowerIndicator = -1;
   
   /**
    * Creates an interface to the radio at mote.
@@ -261,6 +264,16 @@ public class ContikiRadio extends Radio implements ContikiMoteInterface {
     return interferenceEndTime >= myMote.getSimulation().getSimulationTime();
   }
 
+  public double getCurrentOutputPower() {
+    // TODO Implement method
+    logger.warn("Not implemeted, always returning 1.5 dBm");
+    return 1.5;
+  }
+
+  public int getCurrentOutputPowerIndicator() {
+    return (int) myMoteMemory.getByteValueOf("simPower");
+  }
+
   public double getCurrentSignalStrength() {
     return myMoteMemory.getIntValueOf("simSignalStrength");
   }
@@ -303,6 +316,13 @@ public class ContikiRadio extends Radio implements ContikiMoteInterface {
     }
     myEnergyConsumption = energyListeningRadioPerTick;
 
+    // Check if radio output power changed
+    if (myMoteMemory.getByteValueOf("simPower") != oldOutputPowerIndicator) {
+      oldOutputPowerIndicator = myMoteMemory.getByteValueOf("simPower");
+      this.setChanged();
+      this.notifyObservers();
+    }
+    
     // Are we transmitting but should stop?
     if (transmitting && myMote.getSimulation().getSimulationTime() >= transmissionEndTime) {
       myMoteMemory.setByteValueOf("simTransmitting", (byte) 0);