PFM800-4K is a pair of single-channel passive video baluns for video surveillance systems, compatible with HDCVI, HDTVI, AHD and CVBS technologies. Equipped with male BNC connectors, they enable real-time video transmission over CAT5e/6 UTP cable, reaching distances of up to 200 meters in 4K, 250 meters in 1080p and 400 meters in 720p. Ideal for HD analog CCTV systems, they allow cameras and video recorders to be connected using existing network cabling. Dahua