UMD-2 microphone device

Dynamic microphone device UMD-2 is designed for
operation in oxygen masks of KM-114, DKM-1 type. Design features: the device provides intelligibility of words not worse than II class according to GOST 16600-72 when transmitting in conditions of acoustic noise with a total level of up to 105 dB; the device uses an electrodynamic capsule, resistant to temperature and humidity; special protective membrane prevents penetration of dust and saliva splashes inside the product; the device is equipped with knife contacts, which ensures its easy replacement; metal case UMD-2 is not subject to corrosion.
Field of application: in communication equipment on aviation, railway and road transport, in intercoms operated in unheated rooms or rooms with high temperature, for embedding in wearable radios and intercoms..