This HDMI extender of CAT-5e/6 can only extend the HDMI signal transmission of 4K HDTV display to 30 meters by using a single cable of CAT-5e/6. This adapter can not only break the limitation of HDMI cable transmission length, but also have greater flexibility and convenience in cable construction. Categories: Accessories & Supplies , CONVERTERS Tag: HDMI Eextender