| 摘要 |
This disclosure provides an antenna and mobile communication apparatus including an antenna, where the antenna includes a base member and a radiation electrode provided on the base member. The radiation electrode includes a feeding portion and an open end, and at least one phase control element provided between the feeding portion and the open end. With the length of the lengthwise direction of the base member taken as L, and with the wavelength on the base member of the usable frequency range taken as λ, L<λ/5. Through this configuration, it is possible to configure an antenna that can be disposed within a limited amount of space and that can obtain high radiation efficiency, and a mobile communication apparatus that includes the antenna and thus has high communication capabilities.
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