The SMANEX Edge Computing Gateway is a programmable network device with required protocols and I/O interfaces to allow customization. It supports Linux open software platform to optimize the applications in solar energy, water treatment, oil and gas, traffic, and factory automation. Also, it provides multiple connectivity options, including Ethernet, RS232/485, DI/O, WiFi, and MQTT/HTTPs protocols, which are compatible with AWS and Azure platforms. By associating with the Edge Computing Gateway, it supports 5G for eMBB (high bandwidth and speed), URLLC, or mMTC (smart city with IoT network).