How to active VOX function of H777S?

What is VOX function?How to use it?Let me introduce it to you.When using your H777S,turn on this Vox function,you don’t need press PTT button when transmiting. When VOX is on your working channel,speak to the microphone directly,it will transmit automatically.It looks like this function is very convenience,So how to operate H777S Vox function?Let’s learn it…

How to Connect the RT9550 with HD1?

How to Connect the RT9550 with HD1? We all know that repeater is always used for amplify signals, increase communication distance and extend coverage. Retevis put a new repeater on the market, it is RT9550.  It is a DMR Repeater, have Digital/Analog mode. Today we will talk about how to connect the RT9550 with HD1 by software and…

How to switch voice prompt of radios?

When many people using walkie talkies first time,they may can’t understand how to switch language, sometimes the voice prompt is Chinese,for people who don’t understand Chinese at all,it is very inconvenience.  So how to switch voice prompt so that let us use the walkie-talkies more conveniently,let’s learn this operate together. Take RT22 as an example.…