SmartAVI's USB2CX-S extends standard USB (Universal Serial Bus) 2.0 signals up to 330 feet (100 meters) using a single CAT5 cable. The USB2CX-S supports all USB 2.0 high-speed devices, from keyboards to digital cameras, and will operate on Windows, Mac and Linux operating systems. An integrated four-port hub allows for multiple devices to be connected to the USB2CX-S at once. Additional USB hubs can be added, increasing the number of devices that can be plugged into the USB2CX-S.