Supports Raspberry Pi 3B+/4B, compatible with the Raspberry Pi official case ^^ PoE (Power Over Ethernet) capabilityIEEE 802.3 af-compliant ^^ Fully isolated switched-mode power supply (SMPS) ^^ Smaller and more flexible with a more compact component layout ^^ By using this small HAT and some proper 802.3 af-compliant power sourcing equipments, it is possible to provide both network connection and power supply for your Raspberry Pi in only one Ethernet cable.