Designed to work in subscriber networks as a headset telephone operator, operator, dispatcher when working with a computer.
It is suitable for operation at temperatures from 5 ° C to 40 ° C and at high relative humidity up to 90 % at 25 ° C.
| Frequency range of the receiving path, Hz | 150-7000 |
| The module of the input resistance of the receiving path at a frequency of 1000 Hz, Ohm | 50 ± 10 |
| Paraphonic sensitivity of the microphone, not less than, mV / Pa | 5 - 10 |
| Syllabic speech intelligibility in rooms with a noise level of up to 80 dB, % | 85 |
| Supply voltage, V | 1,5 – 5,0 |
| Weight (without cord and connector), no more, g | 165 |
| Гарантийный срок | 1 год |