diff --git a/USB-Serial-Console.md b/USB-Serial-Console.md
index 7f334d9..2c696fc 100644
--- a/USB-Serial-Console.md
+++ b/USB-Serial-Console.md
@@ -104,4 +104,5 @@ ch>
 addr and msglen is mandatory, other parameters has a default value.
 After you send this message, there will be a prompt `send <mgslen> bytes`. then you need to send JUST that amount of bytes that will be the message.
 The Pocsag TX app will start, set the desired options, and send the message.
-```
\ No newline at end of file
+```
+* `setfreq`: Set the radio frequency. 1 parameter needed the desired frequency in HZ. Only works in RX apps, and only on those that not uses frequency range, or automatically set / hopping frequencies. For example works in Audio app, but won't work in Looking Glass.