Designed for two-way communication in field radio communication sets when working in protective gear and gas mask.
It is suitable for operation at temperatures from minus 50 ° C to 55 ° C and at high relative humidity up to 100 % at a temperature not exceeding 35 ° C, at low atmospheric pressure up to 60 kPa (450 mm Hg).
| 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 (МТТ-2) или 300 ± 60 (МТТ-2 и МТТ-2С) |
| Noise level of the microphone amplifier, no more, dB | минус 60 (только МТТ-2) |
| Output voltage of the transmission path, not less than, mV | 520 ± 120 (МТТ-2) |
| The power supply voltage of the transmission path amplifier, V | 12,0 ± 1,2 (МТТ-2) |
| Syllabic speech intelligibility in acoustic noise level of 100 dB, class | высший |
| Consumption current, no more, mA | 20 (МТТ-2) |
| Weight, no more | 300 г (МТТ-2), 400 г (МТТ-2С) |
| Cord Length, m | 1,3 (МТТ-2) 0,9 - 1,9 (МТТ-2С) |
| Overall dimensions, mm | 195,6 × 44,0 |
