330430 RADIO-EXHALATION VALVE, NORMAL PRESSURE #D2055761

By simultaneous use of a SCBA and a radio, communication is getting difficult in a noisiness area. Communication system consists of internal microphone installed next to exhalation valve of full face mask and ear speaker shall provide optimized sound quality when wired to a radio connector via PTT (Push to Talk). Intrinsic safety tested in accordance to ATEX. The connection with a wide range of brand and types of radios is possible.