| 摘要 |
An antenna assembly, and an associated method, for a radio device, such as a portable mobile station. The antenna assembly includes a TOPIFA (Top-Mounted Inverted F-Antenna) transducer coupled to a substrate, such as a printed circuit board. The dimensions of the substrate are selected such that the geometric mean of the widthwise and lengthwise dimensions thereof define a geometric mean which correspond to the resonant length at which the mobile station, or radio device, is to be operated.
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