The cabinet door module 20 includes a cabinet door 21 covering the cabinet body 10 correspondingly and a function module 22 disposed in the cabinet door 21. In this embodiment, the function module 22 is a heat exchange cooling module. In some embodiments, other different function modules may be disposed in the cabinet door 21 for the cabinet door module 20 having different functions.

As shown in FIG. 1, specifically, the telecommunication cabinet 1 further includes a pair of clasp locks 40. The couple of clasp locks 40 are spacedly disposed up and down on the same side of the cabinet 11 and the cabinet door 21, and the clasp locks 40 are located on the opposite side of the detachable hinges 30. In addition, the telecommunication cabinet 1 further includes a pair of brackets 50, and the pair of brackets 50 are connected on the rear side of the cabinet 11. The telecommunications cabinet 1 is attached to a fixed object 2 through the pair of brackets 50. The fixed object 2 may be a supporting pole such as a telecommunication pole, a signal pole, a street lamp pole, or an elevated bridge, etc. Therefore, the telecommunications cabinet 1 may not occupy ground space, and the millimeter waves emitted from the telecommunications cabinet 1 may be prevented from interfering by other electronic devices or blocking by the building.