StarTech.com ST12MHDDC HDMI to CAT5 Extender Kit with Optional Repeater Functionality and Audio Scalable/upgradeable repeaters allow you to add a display at any time without changing hardware Cost-effective, non-proprietary HDMI extension with no signal degradation even at 100m/330feet with Cat5 or Cat6 Optional mounting hardware included for a tidy, professional installation Daisy-chain support, using optional ST12MHDDCRP repeaters Local transmitter and remote receiver units included