In order to hear the calls of all channels, a way of listening. By pressing the dedicated key to receive the receiving circuit for a period of time in order to hear the signal in the channel. If each channel receiving time is 100ms, you can scan ten channels per second, that is, the scanning speed i......
Read MoreExplosion -proof talks refer to walkie -talkies that can work in an explosive gas environment. Different from civilian intercom, explosion -proof intercom does not refer to walkie -talkies that can resist explosions, but to talk about walkie -talkie that can work in an explosive gas environment.
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