Talkie Sound Message Tone Link — Police Walkie

If you’re a scanner listener, writer, or radio user:

[PTT Pressed] -> [Pre-Transmission Chirp] -> [Voice + Squelch] -> [MDC-1200 Data Burst] -> [Tail Squelch / Mic Click] 1. The Pre-Transmission Chirp (Talk Permit Tone) police walkie talkie sound message tone link