Retevis RT21 walkie talkie

Retevis RT21 walkie talkie with car charger

Retevis RT21 walkie talkie designed new radio,It can connect with car charger. Package also has a USB wire,so that you also can easily to found charging way. It is the best choice for us to travel or work outdoor. The durable radio body of RT21 also works well for various environment. The advantage of connecting Retevis RT21 walkie talkie with car…

RT21 generation 2

RT21 Generation 2 is Coming!!!

RT21 generation 2 is coming!! RT21 always optimized according to customer needs and the RT21 generation 2 absorbs the excellent places in the first generation RT21, making up for the shortcomings of the first generation RT21. According to the needs of customers and the needs of the market, the second generation RT21 birth.   The RT21 generation 2 is…

How to upgrade the firmware(4.05 CSV )on RT82?

How to upgrade the firmware(4.05 CSV )on Retevis RT82? Now Retevis RT82 have the last firmware version is 4.05, and it have 4 editions: Retevis RT82(CSV)-V4.05 Retevis RT82(CSV-GPS)-P4.05 Retevis RT82(GPS-REC)-S4.05 Retevis RT82(REC)-D4.05 It is well known that Retevis RT82 have tow models:GPS & NON-GPS, so we have  corresponding version for that. Do you know the…