How to add channel on RT82 by hand?
RT82 is hot selling Dual Band DMR radio, it can add new channel by hand easily. When you have no PC at hand, add channel on RT82 by hand will bring you a lot of convenience.
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Retevis RT21 Chinese and English Voice Prompt Switch.
Generally, for the walkie-talkie without a display, we
Retevis RT21 Chinese and English Voice Prompt Switch. Read More »
Programming of the Retevis RT21 Walkie Talkie
Usually the walkie-talkie can be programmed to change o
How to upgrade the firmware(4.05 CSV )on RT82?
How to upgrade the firmware(4.05 CSV )on Retevis RT82?
RT21:How does turn on Alarming and VOX Function?
The RT21 walkie-talkie has alarm function and VOX funct
RT21:How does turn on Alarming and VOX Function? Read More »
Answer Some Simple Questions about RT81 walkie talkie
Answer Some Simple Questions about RT81 walkie talkie Q
Answer Some Simple Questions about RT81 walkie talkie Read More »