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Tag Archives :retevis RT40

How to set the SMS one-key call function of retevis rt40?

The blog mainly talk about how to set the MS one-key call function retevis rt40?  ...

Read more  retevis RT40,  DMR RADIO

How to set work alone function of retevis RT40?

The blog mainly talk about how to set the work alone function of retevis RT40  ...

Read more  retevis RT40,  DMR radio

RT40 PMR446 Handheld DMR Radio with squelch function

RT40 PMR446 Handheld DMR Radio with squelch function, Strict squelch: the call distance is 1.4 kilometers.Normal squelch: the call distance is 1.7 kilometers.  ...

Read more  retevis RT40,  DMR radio
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