High Speed HDMI Cable with Ethernet and Mono-LOK: Copper based cables with lengths of 1, 3, 6, 10, and 15 feet (0.3, 1, 2, 3, and 5 meters). Gefen"s Mono-LOK series of cables are perfect for highly demanding installations. It provides a secure and fixed way of connecting with the source and display. The Gefen Mono-LOK High-Speed HDMI Cables with Ethernet support all of the latest-generation HDMI features, including an Ethernet connection through the HDMI cable, Audio Return Channel, 3DTV, and up to 4K resolution. Hex hardware is included with our Mono-LOK products for conversion of compatible HDMI connectors. HDTV Resolutions Supported: 480i, 480p, 720p, 1080i, 1080p, 2K, 4K Computer Resolutions Supported: up to 4096 x 2160