4-Port Remote USB Hub over Cat5...Tripp Lites U224-4R4-R is a USB 4-port hub that can be located up to 150ft away from the source computer. Simply plug the USB transmitter into the USB A port on the computer, and run the Cat5e/Cat6 cable length of your choice, up to 150ft. An included AC Adapter supplies power to the USB hub at the remote end. No drivers or software required...completely plug-and-play.