Buy from Amazon : http://www.amazon.com/gp/product/B007SP2CHY?tag=wayofcats-20

Monoprice Mini DisplayPort/Thunderbolt to HDMI DVI and DisplayPort Adaptor

Take advantage of the new HDBase-T technology to extend your High Speed 1080p 3D HDMI and IR remote control signals over a single Cat5eCat6 cable
This HDMI extender can send 1080p HDMI signals with 3D support and HDCP pass-through up to 100 meters 328 ft using a single Cat5eCat6 cable
It has a built-in IR extender function as well so you can control your source devices from the remote location