Suitable for operation at temperatures from minus 50 ºС to 50 ºС and high relative humidity to 100% at temperature of 35 ºС.
| Operating frequency range, Hz | 150 – 7000 |
| The module of the input resistance of the receiving path at a frequency of 1000 Hz, Ohm | 600 ± 120 |
| Effective voltage at the output of the electro-acoustic tract when exposed to a speech spectrum signal with a level of 104 dB, not less than, mV | 210 ± 60 |
| Sound attenuation coefficient at reception at a frequency of 150 Hz, not less than, dB | 8 |
| Axial selectivity of the microphone to the spherical field at a frequency of 150 Hz, not less than, dB | 10 |
| Weight, no more | 600 г |
| Cord Length, m | 0,79 |
