Category Archives :Radio Function

The Talker Alias function is designed to eliminate the need for DMR radio storage to constantly update the user database.  ...

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What is the difference between Monitor&permanent monitor &remote monitor  ...

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The scrambler function of the analog walkie-talkie is to change or mix the communication voice and informations.  ...

Compared with business radios, amateur radios have more and more complex functions, so the operation and setting process often leads to abnormal use intentionally or unintentionally. Therefore, almost all amateur radios allow to reset to factory.  ...

"Lone Worker" gives a tone at regular intervals to which the lone-worker needs to respond by pressing the PTT button. If the worker fails to respond, within the pre-defined time, the radio will then go into emergency mode, and help and support would be sent to them.  ...

Selcall is short for Selective calling. It is a type of squelch protocol used in radio communications systems, in which transmissions include a brief burst of sequential audio tones.  ...

Retevis RT73 mobile radio and Retevis RB22 Semi-keyboard UHF DMR Radio are both have the roaming function.  ...

When we want to test our radio and can't find someone to help us, we can set the parrot channel to do the Echo test. but sometimes the parrot test has no response, why?  ...