Designed to work with radio communication sets.
It can be used under protective equipment.
It is suitable for operation at temperatures from minus 10 ° C to 40 ° C and at high relative humidity up to 95 % at a temperature of 25 ° C.
| 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 |
| Weight, no more | 80 г |