USB-400
Extends any USB device up to 330 feet away from the computer with built-in 4 port HUB.
The ex•tend•it USB-400 extends any USB device including keyboard and mouse up to 330 feet away from the location of your computer, eliminating the 17.5 feet distance limitation of USB. The USB-400 also includes a remote 4 port USB HUB. ex•tend•it USB-400 send and receive units use "Extreme USB" technology by Icron Systems Inc.
How it works:
The ex•tend•it USB-400 send unit is placed next to the computer. A USB cable connects the computer to the ex•tend•it USB-400 send unit. A category-5 (CAT-5) cable is used to link the USB-400S send unit to the USB-400R receive unit with HUB. The extended USB devices are connected to the USB-400R unit.