| Sound pressure level of the telephone at a frequency of 1000 Hz, not less than, dB | 110 |
| The module of the electrical impedance of the telephone at a frequency of 1000 Hz, Ohm | 20±4 |
| Paraphonic sensitivity of the microphone, not less than, mV / Pa | 5 |
| Масса, не более, г | 150 |
| Гарантийный срок | 1 год |
