Kramer''s C-MDMA/MGMA cable is designed to connect laptop computers to video conference systems that have a DVI input. It adapts the analog pins of DVI-A to a 15-pin HD connector and includes an unbalanced audio cable with 3.5mm mini jacks at each end. Also bundled is a short cable that adapts a 3.5mm mini jack to RCA connectors. Quality Construction - Rugged cable with molded connectors. Compatibility - Use this adapter when you need access to the analog signal present at a DVI-I source, or when you need to connect analog RGBHV to a display that provides only a DVI-I input. Note that this adapter does not convert analog to digital or digital to analog. Always verify compatibility details for the source/destination in your application. Varied Selection of Lengths - Available in lengths of 3, 6, 10, 15, 25 and 35ft (0.9 to 10.7m).