“VOX”and “SQL”function are often used in radio, many customers ask “how to use”and “what are different”, Today, we simply introduce them
CTCSS divided into analog CTCSS and digital CTCSS, analog CTCSS have 38 groups, digital CTCSS have 83 groups
In order to solve our problem for pure battery delivery,I introduce several of ways to ship the pure battery
RT7 is a product with high quality and lower price.Do you know how to program Retevis RT7 software?
Retevis organized two days outdoor development training activities. have kinds of game,it’s an amusing and impressive life practice