Ubiquiti POE-24-7W-G-WH Power over Ethernet PoE Injector, 24 VDC, 7.2W
Amazon.com: PoE Ethernet USB HUB HAT with Box ABX Case for Raspberry Pi Zero/Zero W/2 W/Zero WH/2 WH, with 1 RJ45 10/100M Ethernet Port, 3 USB Ports Compatible with USB2.0/1.1,802.3af-Compliant : Electronics
PoE Adapter: Industrial w/ redundancy. Passive Power Over Ethernet. DC Jack 2.1mm
PoE Injector/Midspan w/ Integral Power Supply, 48VDC @ 24 Watt - PSW4824-POE