Designed to work with radio communication sets.
It is integrated into the protective equipment.
It is suitable for operation at temperatures from minus 30 ° C to 50 ° C and at high relative humidity up to 98 % at a temperature of 35 ° C.
- a microphone device with a contact microphone,
- there are modifications to the modulus of the electrical resistance of the phone,
- the connector type is set according to individual requirements
| Operating frequency range, Hz |
100 – 7000 |
| 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 |
| The voltage at the output of the contact microphone when exposed to speech with SPL 104 dB, not less than, mV |
10 |
| Weight, no more |
200 г |
