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What is Squelch (SQ)?
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What is Squelch (SQ)?
Squelch is a circuit function that acts to suppress the audio output of a receiver in the absence of a sufficiently strong desired input signal. It can be used to solve interference problems. The squelch controller of the receiver is adjusted to the proper position when manufactured. The higher squelch control, the lower the sensitivity of the receiver and decrease the service area of the system.
 
 


 
 

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