Questions tagged [tone-squelch]

Tone squelch, or CTCSS (Continuous Tone-Coded Squelch System) is a mechanism by which the presence of a specific frequency in the transmitted audio is used to open a receiver squelch, rather than relying simply on the presence of a strong enough signal.

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Retevis MURS radio and encrypted sub codes

I have some Retevis MURS two-way radios model number RT27V. In the programing software there is an option for DCS encrypt. Now I turned on and off the DCS encrypt option and using my NooElec SDR with ...
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How to connect a motorola RVA50UL with MR350?

Currently I use a Motorola MR30R radio in the frequency 20 (462,6750 Mhz) with Interference Eliminator Code 59. I also have a Motorola RVA50UL, according to the manual, the frequency will be available ...