Installation device , antenna orienting device , directional aerial system and mobile communication system

The utility model discloses an installation device for install the calibrated scale on the antenna stand, and make the calibrated scale with the antenna stand keeps coaxial, installation device includes the mounting, adjusts pole and scale, the mounting is fixed in on the calibrated scale, the scale set up in the surface of calibrated scale, the mounting is located the scale with between the centre of a circle of calibrated scale, the regulation hole has been seted up to the mounting, the first end of adjusting the pole passes the regulation hole, and along directional the centre of a circle direction of calibrated scale removes, it instructs to adjust the second end of pole scale interval on the scale is with the sureness adjust the distance of the first end extreme point of pole from the calibrated scale centre of a circle. The utility model also discloses an antenna stand, and make that antenna orienting device, directional aerial system and mobile communication system, can realize installing the calibrated scale in not unidimensional the calibrated scale with the antenna stand keeps coaxial.