The frequency range of walkie-talkies is UHF 400-470MHz. Each radio has 16 preset channels and the same frequency for direct use.

When you turn the channel knob, you can easily change the channel and the voice will tell you the channel number.

The frequency of the channel is programmable within the frequency range; You can program any of the 50 CTCSS audio and 105 CDCSS audio on each programmed channel.

The range of long-distance walkie-talkie communication depends very much on the terrain. Walkie-talkies can communicate up to 5km in places where there are no obstacles