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Radio 101 - The facts about squelch

A common term heard among two way radio operators is squelch. It is a standard feature of consumer, business, amateur, air band, marine, and CB radios. But what is it? What does it do? In this episode of Radio 101, Anthony from Buy Two Way Radios explains what squelch is and how it works.

4 thoughts on “Radio 101 - The facts about squelch”

  • Robert Salvesen
    Robert Salvesen March 3, 2020 at 10:48 am

    This is my scanner/push to talk radio number is UV -5RA how can I program my radio so I can listen and talk on CB channel 19 frequency it has to be like 136.045 numbers okay

    Reply
    • Rick

      The short answer is, you can't. The Baofeng UV-5R is not a CB radio. It operates in the 70 cm UHF and 2 meter VHF FM radio bands. CB radios in the US operate on the 11 meter HF AM band. In other words, they operate in different areas of the radio spectrum.

      Reply
  • U.N. Owen

    Thanks! I'm watching an episode of (the great 70's series) The Rockford Files, and the scene features a close-up on a police radio, w/ a 'squelch' knob, and not being a radio affix islands, I never knew what it did.
    I really liked your short, concise video. It answered all I needed!
    Again, thank you very much.
    U.N. Owen
    NYC

    Reply
  • Lowrie Beacham

    I have four Motorola Talkabout radios, MH230R. Three work fine--the shortish range isn't a problem for my uses. But on one of them, the squelch seems not to be working: The radio stays "on" all the time, hissing away; as you say in your video, it's very annoying! Is there anything I can do to stop this? Failing that, is there any place I can buy just a single such radio, since I already have three others and two chargers?
    Thanks,
    LB

    Reply

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