Designed to work with radio communication sets.
Suitable for operation at temperatures from minus 50 ºС to 50 ºС and high relative humidity to 100 % at temperature of 25 ºС.
| Sound pressure level of the telephone at a frequency of 1000 Hz, not less than, dB | 105 |
| The module of the electrical impedance of the telephone at a frequency of 1000 Hz, Ohm | 260 ± 52 |
| Paraphonic sensitivity of the microphone, not less than, mV / Pa | 3 |
| Weight, no more | 60 г |
