How to upgrade RT90 firmware
The Retevis RT90 is the latest Dual Band mobile to come […]
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How to set RT82 record function?
Record function is important, Retevis RT82 original default setting is with record function. Do you know how to set RT82 record function?
How to set RT82 keyboard lock?
When we are outdoors, walkie talkies keyboard may be mistouched by mistake sometimes, do you know how to set RT82 keyboard lock?
How to set RT90 scan list?
Some customers meet RT90 scan question, let us learn how to set RT90 scan list now.
how to programe RT90 mobile radio?
RT90 is a dual band DMR mobile radio, support analog and digital mode.let us learn how to programme RT90 mobile radio?
How to set RT82 scan function?
Many hams are interested in scan functions in digital radio like RT82, but do you know how to set RT82 scan function?