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When this function is activated, no need to press the PTT key to start the launch operation directly through the voice.

The sub-sound function of the intercom refers to the continuous voice control to control the radian noise system, commonly known as sub-audio, which is a technology that is more than the frequency (67Hz-250.3Hz) that is lower than the audio signal. Because its frequency range is below the standard a......

A way of listening to accept weak signals. By pressing the receiving signal channel according to the dedicated key, the operator uses the weak sound in the speaker to achieve the purpose of listening.

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......

Explosion -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.

Digital cluster intercoms are designed and manufactured according to digital cluster standards, which can access and adapt to digital walkie -talkies that work in digital cluster system and work under the network.