The Usb2004Extna Usb 2.0 Extender Over Ethernet Lets You Extend Usb 2.0 Over Distances Of Up To 330&Apos; (100 M) Using Cat5E Cat6 Or Cat7 Ethernet Lan Cabling - The 100M Usb Extender Provides Up To 500 Ma Of Power (With The Use Of An External Power Adapter At The Remote End) Allowing For Greater Compatibility With Bus-Powered Usb Devices - This Usb Over Network Extender Is Backward Compatible With Legacy Usb 1.0 Devices - The Usb Extender Over Cat5E Cat6 Or Cat7 Features A Rugged Metal Housing