Conversions Technology USB Extender Over IP 300 Feet with 4 USB Over CAT5e/6 (CT-USB-100-4) Extend 4 USB devices at the time Supports high speed (150Mbps), full-speed (12 Mbps) or low-speed (1.5 Mbps) USB devices USB devices can work with Cat5e/6 cable up to 100 meters, If connected to an Ethernet Switch, it can extend USB device to 200m away from host using two Cat5e/6 cables Supports major Ethernet protocols TCP/IP Supports OS: Windows XP, Vista 32-bit and 64-bit, Windows 7 32-bit and 64-bit