The document discusses wireless USB (WUSB) as a technology to replace wired USB connections. It provides an overview of wired USB and its limitations. It then discusses the need for a wireless solution and introduces WUSB. It describes the WUSB radio environment, high-level architecture, and security features. WUSB aims to match USB 2.0 speeds of 480Mbps at short ranges and provide bandwidth allocation and power management for connected devices. Initial WUSB products include PCI cards, express cards, and dongles to add wireless connectivity.