Patent ID: 8159398

Claim:
A built-in multi-antenna module, comprising: a grounding unit; a plurality of first radiating units disposed on the grounding unit, wherein each first radiating unit has a first radiating body parallel to the surface of the grounding unit, a first feeding pin being extended downwards from one side of the first radiating body and being suspended, and a first shorting pin being extended downwards from one side of the first radiating body and being connected to the grounding unit; and a plurality of second radiating units disposed on the grounding unit, wherein each second radiating unit has a second radiating body parallel to the surface of the grounding unit, a second feeding pin being extended downwards from one side of the second radiating body and being suspended, and a second shorting pin being extended downwards from one side of the second radiating body and being connected to the grounding unit; wherein the first radiating units and the second radiating units are alternately and symmetrically arranged on the grounding unit, many included angles respectively formed between each first radiating unit and each second radiating unit are the same.