Microphone M-87 or M-101/AIC for militaries aircraft with fixed wings or helicopters;

  Microphone M-7A with noise attenuation for civilian or polices aircraft;

  Headphones with impedance range from 19 to 1200 ohms;

  Individual volume control of level noise. Standard to helicopters, optional for fixed wings aircraft;

  Active Noise Reduction optional. It provides a noise attenuation from 12 to 17 dB in the frequency zone from 200 to 5000 Hz. It can be portable or mounting in the aircraft;

  Connection cable flexible and extensible, standard to helicopters;

  Exclusive system of ear protection;

  Exclusive system of microphone position;

  Installation option of impedance alternator (high/low); for the phones and microphones;

  Portable connection equipment in the helmet to use at external missions;

  Support for Oxygen Mask;;

  Exclusive system of support of Night Vision Goggles.

ESRA developed an exclusive system of communication to be connected in the helmets of Road Patrol allowing an agile, efficient and fast communication between the user and the Base.

The EPH communication system has the following exclusives' characteristics:

Exclusive system of ear protection;

Headphones with impedance range from 19 to 1200 ohms;

Active Noise Reduction optional. It provides a noise attenuation from 12 to 17 dB in the frequency zone from 200 to 5000 Hz. It can be portable or mounting in the aircraft;
Support for Oxygen Mask.

  Headphones with impedance range from 19 to 1200 ohms;

  Individual volume control of level noise. Standard to helicopters, optional for fixed wings aircraft;

  Active Noise Reduction optional. It provides a noise attenuation from 12 to 17 dB in the frequency zone from 200 to 5000 Hz. It can be portable or mounting in the aircraft;