Waveshare POE HAT (B) - 5V 2.5A 37V ~ 57V 802.3af

Overview The PoE HAT (B) is a 802.3af-compliant Power Over Ethernet accessory for the Raspberry Pi 3B+/4B. By using this small HAT and some proper 802.3af-compliant power sourcing equipment, it is possible to provide both network connection and power supply for your Raspberry Pi in only one Ethernet cable. Features Standard Raspberry Pi 40PIN GPIO header, supports Raspberry Pi 3B+/4B, PoE (Power Over Ethernet) capability,802.3af-compliant, Fully isolated switched-mode power supply (SMPS), 0.91" OLED, for monitoring processor temperature, IP address, and fan status in real-time Onboard cooling fan, allows auto running on powerup OR programmable control, configured by switch Integrates PCF8574 IO expander for I2C bus, providing pin P0 for directly fan control, and more spare IO pins Specifications PoE Power input: 37V ~ 57V DC in PoE Power output: 5V 2.5A DC out Network standard: 802.3af PoE Dimensions: 56.5mm x 65mm OLED size: 0.91inch OLED pixels: 128x32 OLED driver: 1306 OLED display color: White Package Content 1.PoE HAT (B) x1 2. Standoffs pack x1