Buy on Amazon : http://www.amazon.com/gp/product/B003F8O384?tag=catfoodrevi0a-20 <br /> <br />USB 400 FO - Optical 4 Port USB 2.0 Hub (Extend USB2 up to 1640 feet away) <br /> <br />Extreme USB technology extends the range of USB 20 devices up to 1640 meters 500 meters using fiber-optic cables <br />Receiver unit is also a USB 20 four-port hub <br />Fully backward-compatible with USB 11 Compliant with USB 20 specifications as certified by the USB Implementers Forum <br />Supports USB on all operating systems including Windows Mac OS and Linux <br />100 optical extension makes for an ideal way to isolate USB peripherals from over-voltage and static electricity
