FIELD: radio engineering; portable radiophone adapters. SUBSTANCE: device has means for deriving radio signals from antennas and coupling them with antenna, at least one coupling member mounted through insulation on upper surface of grounded screen, and at least one ground stake coupled with upper surface of grounded screen and used to provide contact with grounding point accessible from outside. EFFECT: reduced radio-frequency energy loss. 23 cl, 8 dwg
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