Portable radio station `` Nedra-P ''.
Receiving and transmitting radio equipment.The portable radio station "Nedra-P" has been produced since the 1st quarter of 1964 by the Omsk Instrument-Making Plant named after Kozitsky. The Nedra-P transistor radio station replaced the Nedra-1 tube radio station. The Nedra-P radio station operates with an upper sideband in four fixed frequencies, index A, B, C, D. It provides wireless radio communication for up to 50 kilometers. Communication with the Nedra-1 radio station is impossible, since the old model works with the lower side stripe. The operating frequencies of the new radio station are also located in the range of 160 meters. The maximum power developed in the antenna is 0.4 W. Receiver sensitivity 1 μV. The model is powered by 8 elements of the "Saturn" type or any DC source with a voltage of 12 V. A set of eight batteries is enough to operate the radio station for 50 hours. The dimensions of the model are 285x190x129 mm. Its weight with batteries and a whip antenna is 4 kg.
