Search results.

Squelch mutes audio when its opening condition is not met. With level- or noise-based squelch, the threshold determines when audio becomes audible.

Portable AM/FM CB radio with ASC automatic squelch.

Priority reception, frequency skip, level/noise and tone squelch.

CTCSS and DTCS support tone signalling and squelch settings, while several scanning modes help monitor stored channels.

Scan and priority channel, adjustable squelch and monitor.

Depending on the radio, settings include CTCSS, transmit time-out, VOX, Roger Beep, squelch and voice announcements.

Can you hear noise with squelch open?

Receive controls include ASC, manual squelch, RF gain and several interference filters.

A closed squelch can also mute the output.

Check browser audio permission, volume, mute and any active squelch.