| 摘要 |
<p>An antenna includes a dielectric substrate having an antenna element for the 5 GHz band and an antenna element for the 2.4 GHz band; a ground pattern provided in association with the antenna element for the 5 GHz band on a feeding-point side of the antenna element for the 5 GHz band, the ground pattern having a length, along a longitudinal direction, equivalent to a quarter of a wavelength of the 5 GHz band; a first parasitic element provided in association with the antenna element for the 2.4 GHz band; and a second parasitic element provided on a surface opposite to a surface where the ground pattern is provided, the second parasitic element being provided so as to overlap both the antenna element for the 5 GHz band and the ground pattern.
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