DESC: 4-Port USB Hub with 1 Remote Port over Cat5...Tripp Lites U224-1R4-R is a USB 2.0 3-port hub, with a built-in extension feature that can locate a 4th peripheral up to 150ft away from the source computer/hub. Simply plug the USB Hub into the USB "A" port on the computer, plug in four peripherals into the hub, and run the Cat5e/Cat6 cable length of your choice, up to 150ft, to the remote device (i.e., printer). An included AC Adapter supplies power to the USB remote unit ( USB 1.1 compliant). No drivers or software required...completely plug-and-play.