Troubleshooting

  • , ,

    UNDERSTANDING PL, CTCSS & DCS TONES

    GMRSWorld Education Center · Signaling UNDERSTANDING PL,CTCSS & DCS TONES Tones do not add privacy, range, or power. They are signaling and squelch tools that tell a repeater or receiver which transmissions should open its audio path. UNDERSTANDING PL, CTCSS & DCS TONESAbout 20 minutesReviewed July 28, 2026 Voice and signaling toneVoice waveform and a…