1. Power Over Ethernet (PoE) technology simplifies installation and reduces costs for industrial gateways by integrating data and power transmission over a single Ethernet cable. 2. Texas Instruments' reference design TIDM-1018 combines PoE technology with the SimpleLink MSP432E4 Ethernet microcontroller, enhancing IoT applications. 3. The design features a compact board with advanced capabilities, including dual BoosterPack headers and support for various gateways like HVAC and security systems.