| 摘要 |
The present invention relates to an antenna device built into a casing, the antenna device configured to prevent the deterioration of antenna characteristics by switching the antenna operation. The antenna device built into a casing, the antenna device comprises first and second antenna elements disposed in the casing; and a switch unit that is disposed between the first antenna element and the second antenna element and opens and closes. An antenna comprising the first antenna element or the second antenna element is configured as a result of the switch unit being switched to an open state, and an antenna comprising the first antenna element and the second antenna element is configured as a result of the switch unit being switched to a closed state.
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