diff --git a/xrd.py b/xrd.py
index e8fc2bb..ad84f4a 100644
--- a/xrd.py
+++ b/xrd.py
@@ -17,6 +17,7 @@ PORT = int(os.getenv("PORT") or 0) or 7373
 DEVICE = os.getenv("DEV") or "COM6"
 
 FREQ_NOT_ALLOWED_RANGE = [9482, 9518]
+FREQ_NOT_ALLOWED_LIST = [10900]
 
 PASSWORD = os.getenv("PW") or "test"
 CLOCK = 12000000 # DP-666
@@ -63,7 +64,7 @@ def process_command(tef: TEF6686, data: bytes, state: dict, conn: socket.socket)
             if freq > 10800: continue
             state['last_tune'] = freq
             tef.FM_Tune_To(1, freq)
-            if FREQ_NOT_ALLOWED_RANGE and freq >= FREQ_NOT_ALLOWED_RANGE[0] and freq <= FREQ_NOT_ALLOWED_RANGE[1]: tef.AUDIO_Set_Mute(True)
+            if (FREQ_NOT_ALLOWED_RANGE and freq >= FREQ_NOT_ALLOWED_RANGE[0] and freq <= FREQ_NOT_ALLOWED_RANGE[1]) or (FREQ_NOT_ALLOWED_LIST and freq in FREQ_NOT_ALLOWED_LIST): tef.AUDIO_Set_Mute(True)
             else: tef.AUDIO_Set_Mute(False)
             out += f"T{freq*10}\n".encode()
         elif cmd.startswith(b"G"):
@@ -87,7 +88,7 @@ def process_command(tef: TEF6686, data: bytes, state: dict, conn: socket.socket)
             out += b"OK\n"
             tef.APPL_Set_OperationMode(False)
             tef.FM_Tune_To(1, state["last_tune"])
-            if FREQ_NOT_ALLOWED_RANGE and state["last_tune"] >= FREQ_NOT_ALLOWED_RANGE[0] and state["last_tune"] <= FREQ_NOT_ALLOWED_RANGE[1]: tef.AUDIO_Set_Mute(True)
+            if (FREQ_NOT_ALLOWED_RANGE and state["last_tune"] >= FREQ_NOT_ALLOWED_RANGE[0] and state["last_tune"] <= FREQ_NOT_ALLOWED_RANGE[1]) or (FREQ_NOT_ALLOWED_LIST and freq in FREQ_NOT_ALLOWED_LIST): tef.AUDIO_Set_Mute(True)
             else: tef.AUDIO_Set_Mute(False)
         elif cmd.startswith(b"X"):
             tef.APPL_Set_OperationMode(True)
@@ -114,7 +115,7 @@ def process_command(tef: TEF6686, data: bytes, state: dict, conn: socket.socket)
                 for freq in range(state["scan_start"], state["scan_stop"] + state["scan_step"], state["scan_step"]):
                     tef.FM_Tune_To(2, freq) # Auto mutes, less commands sent
                     time.sleep(0.0064)
-                    if FREQ_NOT_ALLOWED_RANGE and freq >= FREQ_NOT_ALLOWED_RANGE[0] and freq <= FREQ_NOT_ALLOWED_RANGE[1]:
+                    if (FREQ_NOT_ALLOWED_RANGE and freq >= FREQ_NOT_ALLOWED_RANGE[0] and freq <= FREQ_NOT_ALLOWED_RANGE[1]) or (FREQ_NOT_ALLOWED_LIST and freq in FREQ_NOT_ALLOWED_LIST):
                         conn.sendall(f"{freq * 10} = 0, ".encode())
                         continue
                     _, level, *_ = d if (d := tef.FM_Get_Quality_Data()) else (None, None)
@@ -123,14 +124,14 @@ def process_command(tef: TEF6686, data: bytes, state: dict, conn: socket.socket)
                 conn.sendall(b"\n")
 
                 tef.FM_Tune_To(1, state["last_tune"])
-                if FREQ_NOT_ALLOWED_RANGE and freq >= FREQ_NOT_ALLOWED_RANGE[0] and freq <= FREQ_NOT_ALLOWED_RANGE[1]: tef.AUDIO_Set_Mute(True)
+                if (FREQ_NOT_ALLOWED_RANGE and freq >= FREQ_NOT_ALLOWED_RANGE[0] and freq <= FREQ_NOT_ALLOWED_RANGE[1]) or (FREQ_NOT_ALLOWED_LIST and freq in FREQ_NOT_ALLOWED_LIST): tef.AUDIO_Set_Mute(True)
                 else: tef.AUDIO_Set_Mute(False)
                 tef.FM_Set_Bandwidth((state["bw"] == 0), 2360 if (state["bw"] == 0) else (state["bw"] // 100))
                 
     return out
 
 def send_signal_status(tef: TEF6686, conn: socket.socket, state: dict):
-    if FREQ_NOT_ALLOWED_RANGE and state["last_tune"] >= FREQ_NOT_ALLOWED_RANGE[0] and state["last_tune"] <= FREQ_NOT_ALLOWED_RANGE[1]:
+    if (FREQ_NOT_ALLOWED_RANGE and state["last_tune"] >= FREQ_NOT_ALLOWED_RANGE[0] and state["last_tune"] <= FREQ_NOT_ALLOWED_RANGE[1]) or (FREQ_NOT_ALLOWED_LIST or state["last_tune"] in FREQ_NOT_ALLOWED_LIST):
         conn.sendall(b"Sm11.25,0,0,0\n\n")
         return
     _, _, stereo, _ = d if (d := tef.FM_Get_Processing_Status()) else (None, None, 1000, None)
@@ -150,7 +151,7 @@ def send_signal_status(tef: TEF6686, conn: socket.socket, state: dict):
     conn.sendall(data)
 
 def send_rds_data(tef: TEF6686, conn: socket.socket, state: dict):
-    if FREQ_NOT_ALLOWED_RANGE and state["last_tune"] >= FREQ_NOT_ALLOWED_RANGE[0] and state["last_tune"] <= FREQ_NOT_ALLOWED_RANGE[1]: return
+    if (FREQ_NOT_ALLOWED_RANGE and state["last_tune"] >= FREQ_NOT_ALLOWED_RANGE[0] and state["last_tune"] <= FREQ_NOT_ALLOWED_RANGE[1]) or (FREQ_NOT_ALLOWED_LIST or state["last_tune"] in FREQ_NOT_ALLOWED_LIST): return
 
     res = tef.FM_Get_RDS_Data__decoder()
     if res is None: return