| 摘要 |
Mobile wireless device antenna configured such that a built-in supplementary antenna compensates for sensitivity deterioration that occurs in a main antenna due to mismatching polarized waves and directivity performance. Built-in antenna 60 is in a reverse L shape, and configured with a linear antenna element perpendicular to a base plane is bent in the middle parallel to the length direction of radio base 30. That is, built-in antenna 60 comprises linear antenna element-vertical part 62 that is perpendicular to the base plane and liner antenna element-horizontal part 64 that extends in the length direction of radio base 30. Of these, linear antenna element-vertical part 62 is connected contact 40b of switch 40 as a power supply element.
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