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The television receiver of the black-and-white image Yunost-405 has been producing the Moscow Radio Engineering Plant since the beginning of 1980. Yunost-405 / D portable semiconductor TV (type UPTI-31-IV-5/6) was developed on the basis of the previous model, Yunost-402 TV. Instead of a drum-type channel switch "SKM-20", an electronic channel selector '' SKM-23 '' is installed with a control unit consisting of a push-button switch, a visual channel indicator and a tuner that provides fine tuning. There is an opportunity to install the UHF selector of the type "SKD-22" and a contrast filter that makes it possible to watch the transmission in bright sunlight. In TVs with the index "D" the unit "SKD-22" for receiving and in the UHF range is already installed. Sound channel works on the 0.5GD-30 type loudspeaker. The TV is powered by a mains or DC source of 12 V. Main characteristics: 31LK6B kinescope. Sensitivity 30 µV. Nominal output power 750 mW. The frequency range of 250 ... 7100 Hz. Power consumption from the mains 30, battery 14 watts. External dimensions of the TV - 392х297х290 mm. Weight 9.0 kg. The retail price of the device is 245 rubles.