Patent ID: 8576138

Claim:
An antenna unit comprising: a dome-shaped top cover; an antenna module disposed in said top cover and adapted to receive radio waves; a bracket covering an under surface of said top cover; and a gasket disposed between said top cover and said bracket to hermetically seal said top cover, wherein said bracket consists of one piece and comprises: a bottom portion pressure welding said gasket between said bottom portion and said top cover to form an enclosed space inside of said top cover, said bottom portion and said gasket being disposed at an inside of an inner wall face of said top cover, a mounting portion integrated to said bottom portion for mounting said antenna unit in a cabinet, said mounting portion being disposed at an outside of said bottom portion so as to extend from said bottom portion outward beyond said top cover; and a coupling member for coupling said bottom portion with said mounting portion, wherein said bottom portion is formed in a bowed state upward from a forming surface of said mounting portion.