BNC Video Filter HD-TVI CVI AHD CVBS Coaxial Video Ground Loop Isolator. BNC to BNC video filters are passive and do not require power, preventing video signal distortion caused by video grounding circuits. Built in video balance imbalance converter, can resist DVR interference and suppress additional interference. Specifications: Project: Grounding Circuit Isolator; Shell material: plastic; Plug 1: BNC male connector; Plug 2: BNC Female Head; Color: Black; Input resistance: 75 Ω; Output resistance: 75 Ω; Transient voltage suppressor: 12 Vrms; Insertion loss: 0.5db; Line length: 30cm. Features: HD-TVI/CVI/AHD/CVBS 4 in 1 ground loop isolated video balun; Up to 230m(754ft)for HD-TVI Hikvision 720p camera; Up to 250m(820ft)for HD-TVI Hikvision 1080p camera; Up to 440m(1443f) for HD-CVI Dahua 720p camera; Up to 240m(787f) for HD-CVI Dahua 1080p camera; Up to 320m(1053t) for AHD 1080p camera; Up to 330m(1082ft) for AHD 1080p camera; Built-in TVS for surge protection; Wave filter design, anti-static design; 60 dB crosstalk and interference immunity.