| 摘要 |
An antenna having a first resonant mode and a second resonant mode and comprising an antenna element, the antenna element comprising: a first portion; a second portion; and at least one bend between the first portion and the second portion, wherein a first part of the first portion opposes a second part of the second portion across a narrow gap and, in use, a maximum of current density for the second resonant mode is at or adjacent each of the first part of the first portion and the second part of the second portion.
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