| 摘要 |
An antenna apparatus of a portable terminal and method for implementing characteristics of the antenna apparatus of the portable terminal are disclosed. The antenna apparatus includes a circuit board including a power feeder and a ground, a radiation unit, a power feeder connecting unit for electrically connecting the power feeder to the radiation unit and for feeding electric power to the radiation unit, and a ground connecting unit including at least two paths which have different lengths for electrically connecting the ground to and disconnecting the ground from the radiation unit selectively.
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