Optic fibre car communication system

The utility model discloses an optic fibre car communication system, including exterior aerial and car, the exterior aerial lies in the building top and is connected with signal cable, and a last signal enhancement ware and the photoelectric conversion module of being equipped with of signal cable, a photoelectric conversion module are connected with communication optic fibre, and communication optic fibre stretches into the elevartor shaft through elevartor shaft roof or elevartor shaft lateral wall, and the communication optic fibre in the elevartor shaft extends to car department along the retinue cable, the car surface is equipped with the 2nd photoelectric conversion module, and communication optic fibre is connected with the 2nd photoelectric conversion module, the 2nd photoelectric conversion module passing signal line connection has a car antenna, and car antenna setting is inside car top and its transmitting terminal lie in the car. The utility model discloses an use optic fibre, reduced the line los