A Universal Serial Bus (USB) connector, a USB housing, and a wireless modem are provided in the embodiments of the present invention. The USB connector includes a USB housing, a subcard, a cable, a metal terminal, and a rotating shaft assembly. The USB housing includes a bottom with a first fixing plate and a second fixing plate respectively disposed on two opposite sides. The second fixing plate is disposed with a second hole. The subcard, the first fixing plate, and the second fixing plate are disposed on a same end of the bottom. The metal terminal is disposed on a surface of the subcard. One end of the cable is connected to the metal terminal. The rotating shaft assembly penetrates the second hole.