Emergency call device integrating indoor and outdoor positioning

The utility model discloses a call-for-help device integrating indoor and outdoor positioning, which comprises a bottom plate, a metal middle frame, a main board and a shell, a display and a key panel are arranged on the shell, and the main board is provided with a main control module, an SIM card slot, and a UWB module, a Bluetooth module, an LORA module and a 4Gamp which are respectively communicated with the main control module; a GPS module and two AHRS modules; and the display and the key panel are connected with the main control module. The call-for-help device provided by the utility model can realize indoor and outdoor real-time positioning of a wearer, is high in positioning precision and small in environmental interference factor, and the AoA/AoD indoor positioning function, the UWB indoor positioning function and the AHRS indoor positioning function can be selected according to different environments, so that the call-for-help device is more flexible to use; and the LORA module and the 4G module ar