Upload and find DMR contacts database on HD1
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RT21 Walkie Talkie Common Frequently Asked Questions
RT21 walkie talkie is the first choice for many custome
RT21 Walkie Talkie Common Frequently Asked Questions Read More »
How to set RT3S APRS?
Many customers want to know how to set their digital radios ARPS, to realize Real time positioning. Today let’s take RT3S APRS as an example, to explain the settings step by step.
How to add channel on RT3S by hand?
When you have no computer available at hand, How to add channel on RT3S by hand? Actually it’s easy, we will show steps in this article.
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.
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 »
