Tank Interphone System R-174 provides for not only reliable internal communication for all the crew members without any restrictions but also communication with the external communication means.
- simultaneous independent 2-channel communication within expanded USW band
- higher quality of internal communication
- operational frequency band from 30.025 to 79.975 MHz
- 10 preselected frequencies starting to operate without additional trimming
- frequency hopping with 1 kHz interval
- steady internal communication at acoustic noise up to 133 dB
