Ophit's DOL Series fiber optic DVI Transmitter/Receiver exenders are fully HDCP compliant with HDMI audio support when used with proper adapters. DOL-M DVI transmitter/receivers provide crystal clear high resolution images at distances beyond the capability of traditional copper solutions in Audio/Video environment. Ideal for digital display (Plasma TV, Digital Projectors, LCD Monitors, HDTV, etc) and interfaces with full HDMI audio support (use of DVI female to HDMI male breakout cable) up to 1,000 ft.(300 meters) away from the video source based on DVI-D Single-Link standard supporting 1920x1080P or 1600x1200P resolutions. Fiber Optic signals are not susceptible to interference from Radio Frequency or Electromagnetic signals, and designed to isolate the power that is often ran between source and display. DOL series DVI fiber modules are ideal for commercial and home theater applications.