This is a Power over Ethernet (PoE) expansion board for 3B+/4B that supports the IEEE 802.3af network standard. If you already have a PoE router or switch that supports the IEEE 802.3af network standard, with this expansion board, you can connect the to and power supply with just one network cable.
Suitable for 3B+/4B, can be used together with shell, does not take up more space
Support PoE Power over Ethernet, support IEEE 802.3af PoE network standard
Fully isolated switch mode power supply (SMPS).
Adopting a more compact component layout scheme, the overall volume is smaller and the use is more flexible

PoE power input: 37V ~57V DC input
Power output: 5V 2.5A DC output
Network Standard: Support IEEE 802.3af PoE
Colour:blue
Material:PCB
Size:65 x 32MM

Package Contents:
1 x Poe HAT Expansion Board