FIELD: digital information transfer; radio links for information transfer in space and ground communication systems using noise-like signals. SUBSTANCE: device has data source, phase modulator, balance modulator, power amplifier, pseudorandom sequence generator, carrier generator, transmitter synchronizer, modulo two adder, switch, shift register, random-number generator, transmitting and receiving antennas, mixer, intermediate-frequency amplifier, matched filter, resolving device, data acceptor, heterodyne, receiver synchronizer, and n 1 matched filters. Information 0 and 1 are transmitted in device by various pseudorandom sequences from specified set in different volume with specified repetition period. EFFECT: enhanced hiding efficiency of information transferred. 1 cl, 4 dwg
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