Kramer''s BCP-4F/50M Bulk Plenum Rated OM4 fiber optic cables are constructed of four color-coded multi-mode 50/125um simplex cables of 2.0mm (0.0787in) diameter each, contained in a round overall aqua jacket. They are intended primarily as a companion to various Kramer video-over-fiber transmitter/receiver sets.Quality Construction - Multimode optical fiber with an operating wavelength of 850nm. Sub?cables are color coded brown, green, blue and orange. Numerous Applications - Use these cables to connect our optical transmitter and receivers for DVI and HDM; low to medium fiber count requirements, in?building backbone or horizontal deployment, office wiring, factory floor automation and harsh environment installations.Lengths - Available in lengths of 500 & 1000ft (152 & 305m).