Squelch and Squelch Level

People in the use of wireless walkie-talkie often hear the background noise, squelch, refers to the radio in order to solve the call quality and noise problems, and design of the squelch circuit or squelch function. Squelch function has a different squelch level, according to the actual situation to adjust themselves. Noise characteristics Wireless walkie-talkie…

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Advantages of wireless communication

Communications can be simply divided into a wired (including erecting cable, cable or leased telecommunications Line) and wireless (radio transmission into the establishment of a dedicated line) two big way. Compared to establish a dedicated wireless transmission have less investment than the other way, the opening and operation and maintenance quick and simple, the disadvantage…

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What is the difference between digital two way radios and analogue two way radios?

Digital radios offer greater coverage and clearer audio quality. It is now likely that where coverage wasn’t possible with analogue technology, it will now be achievable using digital technology. In addition, the audio quality will be much clearer with almost no background noise due to a noise cancelling function which enables audio to be crystal…

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