Inductive silent call headsets ГБВИ-3
Produced according to specifications
УМЯИ460869.001 ТУ

Designed for operational discreet communication and silent calls. It provides audio signal transmission  and wireless reception when working with radio communication sets equipped with false response protection system and tone dialling. 

Suitable for operation at temperatures from minus 10 ºС to 40 ºС and high relative humidity to 95 % at temperature of 25 ºС

  • the output connector is determined by the type of radio station
  • wireless acoustic “earpiece” receiver ПА-1  1.5 V battery with up to 50 hours life is used

  • transmitting antenna with built-in microphone
The maximum sound pressure level of the receiver in the frequency range 200 - 5000 Hz, not less than, dB 100
Resistance of the transmitting antenna to a direct current, Ohm 8
Paraphonic sensitivity of the microphone, not less than, mV / Pa 5
Depth of volume control of the receiving circuit, at least, dB 20
Sensor steady-state voltage, not less, V 1,8
Weight, no more 75