Patent ID: 7821461

Claim:
An antenna comprising: a base plate comprising a first surface and a second surface; a grounding component provided on the first surface, wherein the grounding component comprises: a first part; a second part, and a groove which is L-shaped and formed between the first part and the second part, wherein the groove comprises a first segment, a second segment and a corner, and the first segment is perpendicular to the second segment, and the corner is connected to the first segment and the second segment; a feed-in conductor provided on the second surface, wherein the feed-in conductor comprises a first conducting part which extends across the corner, passes through the base plate, and is coupled to the first part; a first controlling unit provided on the second surface, wherein the first controlling unit comprises a first wire which extends across the first segment, passes through the base plate, and is coupled to the first part; and a second controlling unit provided on the second surface, wherein the second controlling unit comprises a second wire which extends across the second segment, passes through the base, and is coupled to the first part.