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The stationary transistor radio "Lira RP-231" since 1990 produced the Izhevsk Radio Plant. Radio "Lira RP-231" was produced for areas that do not have a broadcasting one or three-program broadcasting or which stopped working for some reason. The radio receiver has high sensitivity and provides reliable reception of VHF-FM radio stations within a radius of 30 kilometers due to a small, about a meter of wire segment. The receiver has three fixed settings for the selected stations. There is a frequency control system and low-frequency input and output connectors. The low frequency input can be used to enhance the low-frequency channel of a broadcast line. Frequency range: 65.8 ... 74.0 MHz. Sensitivity from the input (passive) external antenna 20 µV. The range of reproduced sound frequencies for sound pressure is 150..10000 Hz. Rated output power 0.5 watts. Power consumption 5 watts. The receiver dimensions are 420x187x95 mm. Weight 4 kg.