The WR302G-EC/WR312G-EC/WR322GR-EC edge computing platform is designed for embedded data acquisition applications. The computer comes with one or two software selectable RS-232/422/485 full-signal serial ports and 2 10/100/1000 Mbps Ethernet ports, as well as optional one or two Mini PCIe socket for Wi-Fi/Cellular modules. These versatile communication capabilities let users efficiently adapt the WR302G-EC/WR312G-EC/WR322GR-EC to a variety of complex communications solutions. The WR302G-EC/WR312G-EC/WR322GR-EC is built around a QCA9558 MIPS-based processor that is widely applicable to a variety of industrial solutions. With built in Node-RED flow-based programming, this tiny embedded computer is a reliable and secure gateway for data acquisition and processing at field sites as well as a user friendly communication platform for many other large-scale deployments.