Night Owl's A-VB-POE-BNC is a pair of passive video baluns which transmits power and video using CAT/RJ45 cables. This is used to convert Ethernet to BNC for security CCTV systems. The A-VB-POE-BNC provides users or installers with the flexibility of using an analog camera on Ethernet cabling. The converter also allows you to efficiently run video and power over a single CAT5 cable, giving you the ability to utilize straight network cables to connect your Camera. Night Owl 1-Pair Passive Video Balun is one of many USB Hubs, Adapters & Switches available through Office Depot. Made by Night Owl.