It builds a temporary call system, to support calls frequently. You still can
transmit or receive signals even if your mobile phone couldn’t.
Walkie-talkie is a communication tool, and it is different with mobile phone
charges. It Provides one-to-one, one-to-many communication, more
convenient and free to use.
To suppress the sound of channel noise when the radio is not receiving a transmission. improve the communication quality.
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