diff --git a/platformio.ini b/platformio.ini
index 2491ec8..3345957 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -16,13 +16,15 @@ board_build.partitions = huge_app.csv
 upload_port = /dev/ttyUSB0
 monitor_port = /dev/ttyUSB0
 monitor_speed = 115200
+monitor_filters = time
 lib_deps =
     knolleary/PubSubClient @ 2.8
 
 
 [env:debug]     ; Entwicklungssystem
 build_flags = ${env.build_flags}
-    -DTRANSPONDER=\"fa:e7:8e:f8:fd:42\"
+    -DTRANSPONDER=\"fa:e7:8e:f8:fd:42\"     ; MAC des Transponders
+    -DKDB=-85                               ; Mindest Signalstärke
     -DORT=\"HJK\"
     -DDEBUG=0
     -DNOADS=0
diff --git a/src/main.cpp b/src/main.cpp
index 41288b2..6b550aa 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -144,7 +144,7 @@ class MyAdvertisedDeviceCallbacks: public BLEAdvertisedDeviceCallbacks
           Serial.print(" Device name: ");
           Serial.print(advertisedDevice.getName().c_str());
         } */
-      if (advertisedDevice.getAddress().equals(*pServerAddress)and (advertisedDevice.getRSSI() > -85))      // ibeacon Adresse Vergleichen
+      if (advertisedDevice.getAddress().equals(*pServerAddress)and (advertisedDevice.getRSSI() > KDB))      // ibeacon Adresse Vergleichen
       {
         Serial.print(" Ueberwachte Adresse");                         // wenn überwache Adresse gefunden wurde
         if (advertisedDevice.haveName()) {