The utility model discloses a transmitter machine case, including the box radiator interior with locating the box, install the heat dissipation strip on the radiator, the box includes the bottom plate, locates the apron at top and install in the curb plate of both sides, has seted up a plurality of air intakes on each curb plate, still includes air outlet and the guide rail that is used for installing the radiator, the air outlet is seted up in the top of below each air intake of qieyu of apron, the guide rail is located on the bottom plate, the one end of radiator is equipped with the recess corresponding with the guide rail, the lateral part of guide rail is equipped with the mounting that is used for fixing a position the radiator. The utility model discloses the transmitter machine case air permeability is good, and the heat of convenient quick -witted incasement equipment outwards transmits, and the radiator can make transmitter machine case hold the not transmitter of equidimension according to the big or small dynamic change position of transmitter, has improved the convenience, is provided with the fan on the radiator, and the fan can be taken away the absorptive heat of radiator fast, has improved the radiating efficiency of radiator.