Patent ID: 8339319

Claim:
A broadband antenna printed on a substrate, the substrate comprising a first surface, a second surface perpendicular to the first surface, and a third surface parallel to the first surface, the broadband antenna comprising: a grounding portion located on the first surface; a feeding portion to feed electromagnetic signals, the feeding portion comprising a first feeding section and a second feeding section, wherein the first feeding section is printed on the third surface, and the second feeding section is printed on the second surface; and a radiating portion connected to the grounding portion and the feeding portion, the radiating portion comprising: a first radiating section printed on the first surface and electrically connected to the second feeding section; a second radiating section comprising a first radiating segment and a second radiating segment, wherein the first radiating segment is printed on the first surface, and the second radiating segment is printed on the second surface; and a third radiating section printed on the second surface and comprising a ladder portion to connect the first radiating section and the second radiating section.