Patent ID: 7589682

Claim:
A single-plate dual-band antenna, comprising: a base portion; a ground portion, which has an end connected with the base portion and extends upwards from the base portion to a predetermined height; a radiating portion, having an end connected with an upper end of the ground portion distal from the base portion, wherein the radiating portion is generally parallel to the base portion; and a signal portion, having a connecting edge connected with the radiating portion, wherein the signal portion is generally perpendicular to the radiating portion, the ground portion and the base portion, respectively, and the signal portion has a feed pin formed at a lower end thereof distal from the radiating portion; wherein the radiating portion further comprises a first radiating section and a second radiating section, in which the first radiating section extends a first length from the upper end of the ground portion along the connecting edge of the signal portion while the second radiating section extends a second length sinuously from an end of the first radiating section distal from the ground portion.