GW IoT EM is a gateway used for remote monitoring of multiple field equipment via Ethernet WAN and WiFi network. It acts as a Modbus master to multiple Modbus slave field devices at a single location on serial and provides a reliable data connection to a web-based application server. The Web Server application can be hosted on public network or can be installed at a central monitoring station having Static IP. It is designed to be used in industry panels and operates on a 9V-30V DC power supply.