MP-DVFB-4K is a mini DVI optical fiber extender for 4K resolution. It contains a transmitter and a receiver Compatible with HDMI1.4, it transmits high-definition DVI/ HDMI (max 3840x2160@30Hz) up to 300m/ 1km over qualified OM3 multi-mode/ single mode cable. It also offers manual EDID management to ensure reliable AV distribution.