Telephone capsule ГДМ-3Э
Produced according to specifications
УМЯИ.467281.003 ТУ
Designed to work as part of communication equipment.

It is suitable for operation at temperatures from minus 40 ° C to 55 ° C and at elevated relative humidity up to 93 % at temperatures not exceeding 40 ° C.
  • неремонтопригоден
Operating frequency range, Hz 300-3400
Sound pressure level of the telephone at a frequency of 1000 Hz, not less than, dB 75
The module of the total electrical resistance at a frequency of 1000 Hz, Ohm 30±10
Weight, no more 130 г
Overall dimensions, mm Ø 52,8 × 19,0
Service life, not less than, years 5