Data access device for data analysis engine

The utility model relates to a data access device for a data analysis engine. The data access device comprises an SIM (Subscriber Identity Module) card interface, a baseband chip, a USB (Universal Serial Bus) interface, a USB interface circuit, an Ethernet input interface, an Ethernet concentrator, a CPU (Central Processing Unit) and a data output interface, the SIM card interface is connected with a first input pin of the CPU through the baseband chip, the USB interface is connected with a second input pin of the CPU through the USB interface circuit, the Ethernet input interface is connected with a third input pin of the CPU through the Ethernet concentrator, and an output port of the CPU is connected with the data output interface. According to the utility model, the SIM card interface, the USB interface and the Ethernet interface are integrated, the Ethernet interface is a wired interface, the SIM card interface is a wireless interface, the USB interface is an expandable flexible interface, and the three