發送短信 : Wide-band wide-coverage linear array of four semi-circular sector horns

 _    _    __   __    _____      ___      ____    
| \  / ||  \ \\/ //  / ____||   / _ \\   |  _ \\  
|  \/  ||   \ ` //  / //---`'  / //\ \\  | |_| || 
| .  . ||    | ||   \ \\___   |  ___  || | .  //  
|_|\/|_||    |_||    \_____|| |_||  |_|| |_|\_\\  
`-`  `-`     `-`'     `----`  `-`   `-`  `-` --`