A wireless internet with a plane antenna, the plane antenna comprises a plane, an import and an export antenna and plural radiators. The import antenna has a first and a second import line which connect with each other and an included angle is formed between the second and the first import line, the export antenna has a first and a second export line which connect with each other and the included angle is formed between the second and the first export line. The radiators are disposed between the import and the export antenna, each radiator having a first and a second conducting wire, a sharp part, a first and a second protruding fringe and a fillister. The radiators are divided into two symmetrically arranged teams. The connected angles between two neighboring radiators in the one of the teams are different.