diff --git a/xrd.py b/xrd.py
index ac99857..2961c88 100644
--- a/xrd.py
+++ b/xrd.py
@@ -114,7 +114,7 @@ def process_command(tef: AutoFMAM, data: bytes, state: State, conn: socket.socke
     for cmd in data.splitlines():
         if cmd.startswith(b"T"):
             freq = int(cmd.decode().removeprefix("T").strip())
-            if freq < 153 or freq > 10800: continue
+            if freq < 153 or freq > 108000: continue
             tef.set_modulation(freq)
             match tef.modulation:
                 case Modulation.FM: