Communication helmet1.1  Function introduction
      1. The highly sensitive microphone is built-in the helmet,
placing head position, do not affect mask equipments.
     2. Internal double ear machine, voice clear, evenly
     3. With digital sonic function, using the operator of speech
sounds trigger interphone launch, complete liberation hands,
improving combat effectiveness
    4. The receiver and transmitter have four grades: automatic,the dynamic-static denoising, manual, hand movement noise, according to the specific use requirement and the choice of gear,it can satisfy various occasions.
    5. Speech recognition function: Function files on the "automatic”, only indentifying human speech sounds, it means only the speech of people make the interphone launch, other noise cannot make interphone launch, and never lost speech in front of the characters.
    6. The function of internal interphone: Don't need match other interphone, it can be talk between helmet and helmets or between the helmets and interphone, it simplifies the communication equipment configuration.
    7. The change function between internal interphone and external interphone, in special circumstances, not using the internal interphone, external ordinary radio communication can be used, it is one transmitter helmet (optional)
    8. Digital display gear, volume, channel
    9. Voice prompt gear, volume, channel
    10. Internal and external interphone, under voltage, recharge and launching instructions