4G expansion box of vehicle-mounted recorder, vehicle monitoring system and automobile

The utility model discloses a 4G expansion box of a vehicle-mounted recorder, a vehicle monitoring system and an automobile, the 4G expansion box of the vehicle-mounted recorder comprises a recorder body, a main control board arranged in the recorder body, and a function module arranged in the recorder body and electrically connected with the main control board, the function module comprises a first camera module; a pickup; the voice recognition module is electrically connected with the sound pick-up; the Wi-Fi module is used for being in communication connection with a mobile intelligent terminal; the 4G module is used for loading a 4G mobile communication card so as to communicate with a 4G mobile network; and image information shot by the first camera module is transmitted to the cloud server after communication is established between the 4G mobile communication card and a 4G mobile network. According to the 4G expansion box of the vehicle-mounted recorder, provided by the technical scheme of the utility m