Radio `` R-252 '' (Valley).
Receiving and transmitting radio equipment.The radio "R-252" (Valley) has been produced since 1954. Range 75 ... 2000 KHz, divided into 6 sub-bands. Lamps 14/15. This and the models "R-251", "R-310" are similar in appearance, slightly differing in design, year of manufacture, ranges. Sensitivity TLF 12, TLG 2 μV. 1 conversion for 1 sub-band and 2 for the rest.
