| 摘要 |
A dielectric body is provided with at least two coupling structures for coupling in and coupling out electronic signals, and one or more conductors on surface portions of the body. An outer surface of the body includes one or more indentations. The coupling structure includes a coupling conductor for signal input and/or output, and in relation to an end portion of the conductor a coupling hole extending from the first surface and/or from a second surface opposite the first surface into the body.
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