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.
| 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 |
