Multi-Decoder and Fire-EMS Dispatch Logging system Instantly discover fire dispatch pager tone frequencies, repeater access tones and DTMF codes. Includes all the features of our popular PLUS: CTCSS sub-audible tone decoder reveals repeater access tones DCS Digital-Coded Squelch decoding (requires receiver with discriminator or demodulator (unfiltered) output) DTMF 'Touch-Tone™' decoder / logger Improved 2-tone decoding captures 'stacked' pages Built-in Log Viewer / Player External serial port control to operate relay or PTT circuit Fully supports Windows XP, Vista / 7, 8, 10 Useful for setting up or for programming with a 'Fire station tone-out' feature. Antivirus Me I Mire Per Android File there. Serial/USB control for external relay or Push-to-Talk repeater operation - Now you can retransmit audio using our Universal Radio Interface, or activate a light, bell, door, etc. By adding an external relay.