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RT84 can add channel on RT84 by hand conveniently, when you have no computer available for programming at hand. Do you know how to add channel on RT84 by hand?

HD1  Problems and Solutions :Ailunce HD1 is a walkie-ta

Ailunce HD1 Function For  ham enthusiasts, choosing a f

How to connect RT83 to digital repeater RT9550?For radio communication, if the range is not as far as required, it’s really a headache issue. Retevis has a DMR repeater, with digital and analog mode available. Retevis RT9550.Repeater is a good solution when you want to increase the communication range.

Many walkie-talkies of the same brand can talk directly

Retevis RT52 is dual band, dual PTT DMR radio. Some customer are curious what’s dual PTT function, what’s the advantages of dual PTT, how to operate dual PTT?

Bonjour, tout le monde, aujourd’hui, je vais vous