Ubiquiti Carrier POE Adapter Model UBI-POE-24-5 DC 24V, 0.5A 810354021190 | eBay
Single-port PoE Power Adapters — Huawei products
UBIQUITI U-POE-AF UniFi PoE Adapter An adapter that can power UniFi PoE devices with wireless mesh applications, or offload PoE - AliExpress
Amazon.com: PwrON Gigabit PoE Injector Adapter 48V 24W Power Over Ethernet for 802.3af Devices, Up to 328 Ft, 10/100/100Mbps RJ-45, Plug and Play, PSE-480040G : Electronics
POE Power Supply DC Adapter 24V 0.5A 24W Desktop POE Power Injector Ethernet Adapter Surveillance CCTV - AliExpress