Radio `` R-253 '' (Alpha).
Receiving and transmitting radio equipment.The radio receiver "R-253" (Alpha) has been produced since 1948 by the Aleksandrovsky Radio Plant. The receiving frequency range is 1.1 ... 7.5 MHz, divided into 5 sub-bands. Sensitivity in TLF - 7.5, in TLG - 3 μV. Adjustable IF bandwidth from 1 to 15 kHz. Power supply from a set of accumulators and anode batteries or from accumulators using a vibration transducer. The dimensions of the radio are 450x285x250 mm, weight without batteries and accumulators is not more than 13 kg.
