Patent ID: 8130150

Claim:
A multi-band antenna, comprising: a grounding element extending along a lengthwise direction and comprising a first and second lengthwise sides; a first antenna, connected to the grounding element and comprising a first connecting element extending from the grounding element and a first radiating element electrically connected to the first connecting element; a second antenna, connected to the grounding element and comprising a second connecting element extending from the grounding element and a second radiating element electrically connected to the second connecting element; a coupling radiating arm, extending from the grounding element; said first radiating element comprising a first radiating portion extending from the first connecting element in both a longitudinal direction and a transversal direction and a second radiating portion substantially leptosomatic, said second radiating element substantially extending in a lengthwise direction and forming a first radiating section operating on a first frequency bands and a second radiating section operating on a second frequency bands, said first antenna located between the first radiating section of the second radiating element and the grounding element in a vertical direction, the coupling radiating arm located between the first radiating section of the second radiating element of the second antenna and the grounding element in the vertical direction, wherein the second connecting element of the second antenna comprises a first connecting portion extending from the second end and the second side of the grounding element along a gradient direction and forming a slot between the first connecting portion and the grounding element, and a second connecting portion upward extending from the first connecting portion and forming an end connected to the second radiating element, the first connecting portion is a trapezoidal shape which has a horizontal edge and is configured by a trapezoid and a triangle, and the second connecting portion extends from the horizontal edge of the first connecting portion.