Integrated vehicle-ground bidirectional wireless communication unit

The utility model discloses an integrated train-ground two-way wireless communication unit, which comprises two integrated two-way wireless communication units and an input photoelectric isolation circuit, one integrated two-way wireless communication unit is arranged at the central position of the bottom of a train body, and the other integrated two-way wireless communication unit is arranged at the central position of a track. The input photoelectric isolation circuit, the clock, the memory, the controller, the carrier amplification circuit, the download signal sending circuit, the upload signal receiving and filtering circuit, the signal amplification and shaping circuit, the communication interface conversion circuit and the output photoelectric isolation circuit are sequentially connected in series and mounted in the integrated bidirectional wireless communication unit; according to the integrated train-ground bidirectional wireless communication unit, by automatically collecting railway ground signal ch