An extender for USB over RJ45. Applicable for all usage platforms, no compatibility issue. Compatible with a 30M-60M Cat.5/Cat5e/Cat6 RJ45 LAN cable With USB2.0 specification, data transfer speed up to 480Mbps. With a power port. By connecting to an external power supply, it can supply more power to USB peripheral devices and enhance the performance. Plug and play, no driver needed.