Multi-network fusion Internet of Things gateway RTU

The utility model relates to the field of industrial internet of things, in particular to a multi-network integration internet of things gateway RTU (remote terminal unit), which comprises an acquisition control module and a network transmission module. The acquisition control module comprises an acquisition core control unit, and an IO acquisition and control unit, a power management unit, a wireless access unit, a serial port service unit, a positioning and timing unit, a text voice unit and a network transmission unit which are connected with the acquisition core control unit; the network transmission module is used for remote network interaction and local network interaction; the network transmission module comprises a network core control unit, and an optical fiber access unit and a network switching unit which are connected with the network core control unit, the network switching unit is connected with the network transmission unit, and the power management unit is electrically connected with the netwo