Patent ID: 8922448

Claim:
A communication device, comprising: a system circuit board, having a first edge; a ground plane, disposed on the system circuit board; a first antenna, coupled to a first signal source, and operating in at least a first band; a second antenna, coupled to a second signal source, and operating in at least the first band; a first metal element, substantially located between the first antenna and the second antenna, wherein the first metal element is coupled to the ground plane such that a system ground plane is formed with a substantially T-shape; and a second metal element, adjacent to the first metal element, substantially located between the first antenna and the second antenna, and coupled to the system ground plane, wherein the first antenna, the second antenna, and the first metal element are substantially located at the first edge of the system circuit board, and a first end of the second metal element is located substantially between the first antenna and the first metal element.