Retevis Digital Radio communication range test report of RT3,RT8.RT82 Many people ask us how long the communication range of Retevis digital Walkie Talkies, so we decide to take a communication range test, take Retevis RT3,RT8,RT81,RT82 as example. Last week, we take some models (RT3,RT8,RT81.RT82) of Retevis Digital Walkie Talkies to do sea level […]