M3000 high-frequency module has two types: m3000a and m3000d, with different frequency band. The module consists of transmitting voice signal, modulation, power amplification, noise amplification, voice signal demodulation and signals procession. It begins to work normally by simply adding an external mcu, an audio amplifier, a mic (microphone) and a speaker.

The module is with small volume. It is easy to develop within short period. It could be made into small walkie-talkie, and be used in other mobile handheld devices. It is practical and easy to use, and may be widely used in gifts, catering, tourism and other industries.