| 摘要 |
A multi-band antenna includes a radiating element comprising a first metal patch, a second metal patch extending along a direction different from the first metal patch, a grounding element parallel to the radiating element with a certain distance, a resonant cavity produced by said certain distance between separated the radiating element and the grounding element, a first pad downward extending from an edge of the first metal patch to form a feeding pad, and a second pad downward extending from an edge of the second metal patch to form a grounding pad; wherein the edge from which the first pad extending is bordering the edge of the second metal patch with the second pad.
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