Visit Amazon sites : br Conversions Technology USB Extender Over IP 300 Feet with 4 USB Over CAT5e6 (CT-USB-100-4)br br Extend 4 USB devices at the time br Supports high speed 150Mbps full-speed 12 Mbps or low-speed 15 Mbps USB devices br USB devices can work with Cat5e6 cable up to 100 meters If connected to an Ethernet Switch it can extend USB device to 200m away from host using two Cat5e6 cables br Supports major Ethernet protocols TCPIP br Supports OS Windows XP Vista 32-bit and 64-bit Windows 7 32-bit and 64-bit