Radio receiver `` R-254M '' (Link).
Receiving and transmitting radio equipment.The R-254M radio receiver (Link) has been produced since 1972. A wearable VHF search radio receiver of the airborne forces radio networks, designed for radio reception in the 39 ... 52 MHz range. 20 series of 8 fixed frequencies were produced, separated by 100 kHz. Double conversion of frequency. First IF variable 5.9; 6.0; 6.1 and 6.2 MHz; second IF constant 465 kHz. Sensitivity 20 μV / m. The receiver works in search and receive modes. In the search mode, the receiver can be used to find objects that have marker transmitters (dropped loads), and in the receive mode, to receive one-way communication commands.
