http://www.intel.com/technology/comms/uwb/What is UWB
Ultra-Wideband (UWB) technology based on the WiMedia standard, brings the convenience and mobility of wireless communications to high-speed interconnects in devices throughout the digital home and office. Designed for low-power, short-range, wireless personal area networks (WPANs), UWB is the leading technology for freeing people from wires, enabling wireless connection of multiple devices for transmission of video, audio and other high-bandwidth data.