Patent ID: 8008998

Claim:
A waveguide, comprising: a first waveguide member, comprising: a first shell; and two first wing portions connected to the first shell, and the two first wing portions defining a first plane; and a second waveguide member in combination with the first waveguide member to provide a through hole for the waveguide, comprising: a second shell; and two second wing portions connected to the second shell, the two second wing portions defining a second plane, wherein bulged strips are disposed at inner rims of the second plane adjacent to the through hole and extend along a longitudinal direction of the through hole, and the bulged strips protrude on the second plane toward the first wing portions, wherein the first wing portion comprises at least one positioning hole, the second wing portion comprises at least one positioning pin corresponding to the positioning hole for alignment of the first waveguide member and the second waveguide member.