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A Wireless USB (WUSB) is a Universal Serial Bus (USB) built on ultra-wideband (UWB) technology, which uses a radio frequency (RF) link, rather than cables, to transfer information between compatible USB devices.
The USB Implementers Forum, Inc. (USB-IF) discourages the WUSB abbreviation and prefers to reference the term as Certified Wireless USB.
Key WUSB features include: