ACTi PPOE-0001 PoE Injector for Class 1, 2, & 3 Devices
Amazon.com: Procet Single Port Gigabit Power Over Ethernet Active PoE Injector/Midspan 60W 55V with 6KV surge protection,IEEE802.3af,IEEE802.3at, PoE++ for Network Cameras,Wireless Router,VoIP Phone,PT-PSE106GW-AR : Electronics
Amazon.com: PoE Texas PoE to USB Kit - Power over Ethernet Extender Kit Includes 24V PoE Injector, 5V 10W PoE Splitter, Female USB and Micro USB Adapters - Use and Charge Apple
Amazon.com: GeeekPi Gigabit USB-C PoE Splitter 48V to 5V IEEE802.3af Power Over Ethernet for Raspberry Pi 4B/3B+/3B,Tablets, Dropcam(48V to 5V 2.4A) : Electronics