Patent ID: 8330657

Claim:
A portable wireless communication device, comprising: a base circuit board including a feed point and a ground point; an antenna disposed on the base circuit board, the antenna comprising: a radiating portion, the radiating portion including: a substantially U-shaped first radiating body, the legs defining the U-shape lying in a first radiating plane; a substantially L-shaped second radiating body, the legs defining the L-shape lying in a second radiating plane; and a substantially L-shaped third radiating body, the legs defining the L-shape lying in a third radiating plane; wherein an end of the second radiating body and an end of the third radiating body being connected to the opposite legs forming the U-shape of the first radiating body, the first radiating plane substantially perpendicular to the second and third radiating planes; a feed portion electrically connected to the feed point; a plurality of ground portions; and a switch disposed on the base circuit board, and electrically connected between the ground point and the plurality of ground portions to selectively connect one of the ground portions to the ground point to selectively obtain different working frequency bands.