Differential Electromagnetic Microphone DЭMШ for Reliable Communication

Electromagnetic electromagnetic differential small-size noise-resistant microphones DEMSH are designed for operation in communication equipment at temperatures from -60 °? to +60 °? and high relative humidity up to 98% at temperature not exceeding -60 °?. humidity up to 98% at temperature not higher than +40 °?. Fields of application: telephone sets of general application; communication and sound amplification equipment.