Patent ID: 8624785

Claim:
A dual-band antenna, comprising: a radiator unit comprising: a base portion; an extension portion extending from the base portion; a connecting portion extending from the extension portion, wherein the connecting portion, the extension portion and the base portion define a first slot for tuning the antenna to a first frequency band; a transition portion extending from the connecting portion; and a u-shaped portion comprising a first section, a second section, and a third section, the first section extending from the transition portion, one end of the second section connected to a distal end of the first section away from the transition portion, another end of the second section connected to the third section to form a second slot for tuning the antenna to a second frequency band; wherein the extension portion and the connecting portion are substantially coplanar with the plane of the base portion; the transition portion and the u-shaped portion are non-coplanar with the plane of the base portion.