FIELD: radio communications; data transmission systems. SUBSTANCE: device has handset, microphone amplifier, frequency modulator, exciter, power amplifier, transmitting and receiving antennas, two frequency synthesizers, highfrequency amplifier, intermediate-frequency channel, frequency discriminator, low-frequency amplifier, telephone set, broadband signal shaper, adder, switch, and broadband signal receiver. EFFECT: enlarged content of transmitted data; enhanced transparency and stability of message transmission. 3 dwg
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