Radio station `` Nedra-1 ''.

Receiving and transmitting radio equipment.The Nedra-1 radio station has been produced since the beginning of 1960 by the Kozitsky Omsk Instrument-Making Plant. The portable lamp single-band radio station Nedra-1 allows reliable, search-free simplex radio communication with stations of the same type at a distance of up to 30 kilometers with an antenna of the "oblique beam" type, with a whip antenna 1 meter long for a distance of up to 5 kilometers. The radio station was produced with indices A, B, C and D denoting a fixed operating frequency. All four frequencies range from 1600 to 2000 kHz. The sensitivity of the radio station is 0.5 μV. The power of the RS in the antenna for transmission reaches 0.3 W. The radio station is powered by a special dry battery with voltages of 1, 2, 15, 60 and 120 volts.