Bnc Video Balun+ethernet Poe Adapter Rj45 Injector Splitter+12v Dc Male Female Plug Connector Cctv Power Cable 2.1 X 5.5mm - Transmission & Cables - AliExpress
PoE power supply PoE injector, for power supply via UTP cable, 2x RJ45 connector :: RELAYS.TECH