Designed to work with radio communication sets.
Suitable for operation at temperatures from minus 30 ºС to 40 ºС and high relative humidity to 95% at temperature of 25 ºС.
| Operating frequency range, Hz | 200 – 5000 |
| Sound pressure level of the telephone at a frequency of 1000 Hz, not less than, dB | 100 |
| The module of the electrical impedance of the telephone at a frequency of 1000 Hz, Ohm | 1300 ± 260 |
| Paraphonic sensitivity of the microphone, not less than, mV / Pa | 5 - 15 |
| Weight, no more | 100 г |
