Patent ID: 7986275

Claim:
A dual-band antenna, which is integrated with GSM wireless communication apparatuses, comprising: a first radiation unit, being a U-shaped three-dimensional structure, having a first extension portion at one terminal and a second extension portion on one side; a first connecting portion, being disposed on the other side of the first radiation unit; a second radiation unit, being a banded structure, connecting the first radiation unit with one side of the second radiation unit by the first connecting portion and a first gap formed between the first radiation unit and the second radiation unit, one terminal of the second radiation unit extending as a third extension portion, and the other side of the second radiation unit and one side of the third extension portion forming a fourth extension portion; a second connecting portion, being disposed at the other terminal of the first radiation unit; a grounding unit, being a banded structure, connected to the first radiation unit; a grounding extension unit, being disposed on one side of the grounding unit, wherein a fourth gap is formed between the grounding extension unit and the second radiation unit by the second connecting portion, wherein a second gap is formed between the grounding unit and the second radiation unit and a third gap is formed between the grounding unit, the second connecting portion and the first radiation unit; a signal feed-in terminal, being disposed on the second radiation unit; and a signal grounding terminal, being disposed on the grounding unit.