diff --git a/SoniControl/app/src/main/assets/unknown-frequencies.txt b/SoniControl/app/src/main/assets/unknown-frequencies.txt
index b5bb491e703315bd73ba3eabedec2f3a77ce6e1e..cb10d0f7f8fad6f79a0d671983ae71d37da248c6 100644
--- a/SoniControl/app/src/main/assets/unknown-frequencies.txt
+++ b/SoniControl/app/src/main/assets/unknown-frequencies.txt
@@ -1 +1 @@
-18625,20875
\ No newline at end of file
+18750,20250
\ No newline at end of file
diff --git a/SoniControl/app/src/main/java/at/ac/fhstp/sonicontrol/NoiseGenerator.java b/SoniControl/app/src/main/java/at/ac/fhstp/sonicontrol/NoiseGenerator.java
index 2a1c29f9a196c51167c0c3f709c76a7ba65a089e..2bd482f24eb6c13d4e3325040fdccce9e7cec0e1 100644
--- a/SoniControl/app/src/main/java/at/ac/fhstp/sonicontrol/NoiseGenerator.java
+++ b/SoniControl/app/src/main/java/at/ac/fhstp/sonicontrol/NoiseGenerator.java
@@ -276,7 +276,7 @@ public class NoiseGenerator {
                     break;
                 case UNKNOWN:
                     reader = new BufferedReader(new InputStreamReader(main.getAssets().open("unknown-frequencies.txt"), "UTF-8"));
-                    bandWidth = 2250;
+                    bandWidth = 1500;
                     break;
             }