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During 1932, the ECHP radio receiver in the amount of 6000 units was planned to be produced at the Moscow Electrotechnical Plant Moselectrik. "ECP" stands for "shielded, four-tube, permanent." The model is a four-lamp, dual-circuit receiver with feedback from DC power. The receiver has sockets for connecting an adapter. The range of received frequencies is 200 ... 2000 meters. Reception is made on headphones or when receiving local stations on the speaker. The output power of the receiver amplifier is 50 mW.