FIELD: radio engineering, communication.
SUBSTANCE: antenna device, having an antenna unit with length shorter than 1/4 of the operating wavelength. The antenna unit, formed on a first plane, can be arranged to set a first distance and a first angle relative the earthing bus of the antenna device in order to adjust and improve impedance matching between the antenna unit and a communication module connected to the antenna unit.
EFFECT: angle between antenna unit and the earthing bus is controlled to improve impedance matching of the antenna device.
32 cl, 15 dwg
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