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Transistor radio "Sputnik" was developed and experimentally released in 1959 in Leningrad. Radio "Satellite" is assembled on a superheterodyne scheme on 8 transistors. It allows you to receive radio stations in the range of DV 1800 ... 750 m and CB 560 ... 210 m waves. The sensitivity when operating on the internal antenna on medium waves is 1 ... 1.5 mV / m, on long 1.5 ... 2 mV / m, and when working on an external antenna, its sensitivity is 200 and 300 Î¼V, respectively. The intermediate frequency is 465 kHz. Maximum output power 160 mW. The receiver is powered by 4 D-0.2 batteries, with a voltage of 5 V. The current consumption in silent mode is 10 ... 13 mA, and at a maximum power of 60 mA. The radio receiver is mounted in a wooden case in the form of a book size 140x120x30 mm. Its case is lined with celluloid, and the ribbon nested as a bookmark serves as a range switch. The installation is made on a getinak board with a size of 115x95 mm, in a mounted way. Radio weight with batteries 450 gr. The price of the radio receiver is 42 rubles 12 kopecks after the monetary reform of 1961.