The E71-SDN-M8 is an intelligent gateway developed by Eaton. It is an integrated communications and industrial automation device. The device is designed for distributed control and local information collection applications. It provides a secure, reliable, and high performance network between controllers, control networks, and the host system. It also supports secure remote access for applications. The device offers various communication protocols, such as Ethernet, WiFi, GSM/UMTS, and Zigbee. The device also has powerful I/O capabilities, providing an easy way to connect external sensors and equipment. Additionally, the device has a wide range of built-in features, such as web server, remote maintenance, email alerts, and data logging. Lastly, the device supports open industry standards, such as OPC UA and MQTT.