Foldable handheld spectrum analyzer

The utility model discloses a foldable hand-held frequency spectrum analyzer, which comprises an analyzer main body and a main display screen arranged on the front side of the analyzer main body, side display screens are arranged on two sides of the analyzer main body close to the main display screen, and one end of each side display screen close to the main display screen is rotatably connected with the analyzer main body through a multidirectional rotating assembly. Protective shells are further rotationally mounted on the two sides of the analyzer body, and folding handles are arranged on the protective shells and rotationally connected with the protective shells. The side display screens are arranged on the two sides of the analyzer main body and connected with the analyzer main body through the multidirectional rotating assembly, so that multidirectional and multi-angle overturning and folding of the side display screens are realized, the display surface is expanded, and a user can check a plurality of s