Patent ID: 8542152

Claim:
A multi-band antenna comprising: a substrate; a first antenna unit disposed on a surface of the substrate having a feeding point, wherein the first antenna unit includes a first extended segment, and a first distal segment, wherein the first distal segment is connected to the first extended segment; a second antenna unit disposed on the surface of the substrate, wherein the second antenna unit includes a second extended segment, a second bent segment, a second straight segment, and a second distal segment; a third antenna unit disposed on the surface of the substrate in connection with the first antenna unit, wherein the third antenna unit includes a third extended segment, a third bent segment, and a third distal segment, and wherein the third extended segment of the third antenna unit includes a first section, a second section, a third section, a fourth section, and a fifth section subsequently interconnected, wherein the third distal segment includes a sixth section, a seventh section, an eighth section, and a ninth section subsequently interconnected; and a grounding unit disposed on the substrate, wherein one edge of the grounding unit connects to the second antenna unit.