... adapter allows you to connect your USB device to your computer at a distance of up to 150ft with the ... external power source is required 3,Extends USB devices up to 50m.4,Uses standard Cat5/Cat5E/Cat6 patch ... better function please use Cat5E/Cat6 patch cord.6,Ideal for a wide variety of USB devices ... , from printers, web cams, and hard drives, to cell phones, iPods, digital cameras and game controllers. ...