Novel high-gain WIFI antenna

The utility model relates to the technical field of antennas, and discloses a novel high-gain WIFI antenna, which comprises a first connector, a second connector, a protective shell, an antenna feeder, an antenna conductive elastic sheet and a plug connector, the lower end part of the second connector is provided with a first plug hole, the upper end part of the first connector is embedded in the first plug hole, and the lower end part of the second connector is provided with a second plug hole. The antenna feeder and the antenna metal elastic sheet are arranged in the protective shell, the lower end part of the protective shell is rotatably connected with the upper end part of the second connector, the lower end part of the protective shell is concavely provided with an open slot, and two side walls of the open slot are respectively and convexly provided with a limiting convex strip; a horizontal limiting groove, a vertical limiting groove and an inclined limiting groove are concavely formed in the outer sid