Buy on Amazon.com : http://www.amazon.com/gp/product/B0002J2FCA?tag=lottalatte-20
C2G / Cables to Go 29385 TruLink VGA over Cat5 Wall Plate Transmitter/ Wall Plate Receiver
Extend a video signal up to 300 feet at 1920x1200 resolution
Up to 300ft without signal degradation at 1920x1200 or 1920x1080 resolutions
This solution is compatible with any operating system and is truly plug and play with no drivers or software required
Uses Classrooms Conference rooms Corporate environments Houses of worship Healthcare Digital signage