High Quality Content by WIKIPEDIA articles! Certified Wireless USB (W-USB for short) is the specification of a wireless extension of the USB standard which intends to further increase the availability of general USB-based solutions. It is maintained by the WiMedia Alliance and (as of 2009) the current revision is 1.0, which was approved in 2005. The rationale for this specification is the overwhelming success of USB as a base for peripherals everywhere: cited reasons include extreme ease of use and low cost, which allow the existence of a ubiquitous bidirectional, fast port architecture. The definition of Ultra-WideBand (UWB) matches the capabilities and transfer rates of USB very closely (from 1.5 and 12 Mbit/s up to 480 Mbit/s for USB 2.0) and makes for a natural wireless extension of USB in the short range (3 meters, up to 10 at a reduced rate of 110 Mbit/s).

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