Extend four usb 20 connections up to 330ft away from the computer over cat5 or cat6 cable the usb2004ext2 4 port usb extender lets you extend usb 20 devices over cat 5 or better ethernet cable at distances of up to 330ft 100m an included power adapter at remote end provides up to 500 ma of power per port letting you access and power up to four usb 20 devices at remote locations away from the host computer system this usb extender provides support for data transfer rates of up to 480