RT5 : Advantages of compared with H-777
Before we had a detailed introduction to the H-777, bec […]
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 »
Retevis RT21 Chinese and English Voice Prompt Switch.
Generally, for the walkie-talkie without a display, we
Retevis RT21 Chinese and English Voice Prompt Switch. Read More »
Programming of the Retevis RT21 Walkie Talkie
Usually the walkie-talkie can be programmed to change o
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 »
RT21: Distinguish from other encryption simulators
The difference between RT21 walkie talkie and other enc
RT21: Distinguish from other encryption simulators Read More »