FIELD: computer engineering, telecommunication. SUBSTANCE: code structures used in device provide correction of single errors and long packet errors and achieve frame synchronization. Symbol combinations K1 of all other words in frame are used for transmission of individual and/or group address which is required for code separation of user groups and corresponding unique combination of locations of positions of symbols of external code which is used for encoding and decoding of information which destination is specific group of users. EFFECT: possibility to transmit large volumes of individual digital information through radio channel with high validity. 2 tbl, 9 dwg
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