FIELD: electric communications. SUBSTANCE: device has transportation points 1, phase conductors 2, high-frequency rejectors 3, 8, communication capacitors 4, connection filter 5, cable 6, high-frequency signal source 7. EFFECT: enlarged communication range due to introduction of high-frequency rejectors in transposition points which reduces attenuation of intermediate-to-extreme-phase high-frequency channel. 2 dwg
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