| Operating frequency range, Hz | 300-3400 |
| Sound pressure level of the telephone at a frequency of 1000 Hz, not less than, dB | 75 |
| The module of the total electrical resistance at a frequency of 1000 Hz, Ohm | 30±10 |
| Weight, no more | 130 г |
| Overall dimensions, mm | Ø 52,8 × 19,0 |
| Service life, not less than, years | 5 |
