FIELD: communication equipment for information transmission through cable transmission lines with ungrounded wires, grounded neutral wire and overhead transmission lines. SUBSTANCE: device has transmitter, receiver, which is connected to winding of first single-winding transformer, second single-winding transformer in design according to first two claims. Third claim of invention discloses device design with first and second inductors. EFFECT: increased stability to noise, decreased power losses during information transmission. 3 cl, 3 dwg
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