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.