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Wireless USB

Overview
Wireless USB is a short-range, high-bandwidth wireless extension to USB that combines the speed and ease-of-use of USB 2.0 with the convenience of wireless technology. Wireless USB is sometimes abbreviated as "WUSB", although the USB Implementers Forum discourages this practice and instead prefers to call the technology "Certified Wireless USB" to differentiate it from competitors. Wireless USB is based on the common radio platform, which is capable of sending 480 Mbit/s at distances up to 3 meters and 110 Mbit/s at up to 10 meters. It was designed to operate in the 3.1 to 10.6 GHz frequency range, although local regulatory policies may restrict the legal operating range for any given country.

Spec
Wireless USB technology offers a solution for high bandwidth, low cost, low power consumption, and physical size requirements of next-generation consumer electronic devices.

Implementation
Wireless USB (WUSB) personal connectivity will bring the convenience and mobility of wireless communications to high-speed interconnects for multimedia consumer electronics, PC peripherals and mobile devices. With a targeted bandwidth of 480 Mbps, WUSB will feature wireless highdata throughput with low power consumption for distances less than 10 meters. The WUSB interface will deliver the benefits of high-speed wireless connectivity, increased security, ease-of-use and backward compatibility to customers. The WUSB promoters, consisting of Agere Systems, HP, Microsoft, NEC Corporation, Philips Electronics and Samsung, are committed to preserving the existing USB devices, class driver infrastructure and investment, look-and-feel and ease-of-use of wired USB. WUSB will maintain the same scalable device performance and capability while also addressing new consumer electronics requirements. The first Wireless USB implementations will be in the form of discrete silicon that will be introduced in a number of form factors. These include add-in cards and dongles along with embedded solutions to support the technology’s introduction and subsequent rapid ramp-up. New adopter members are welcome to join this group. For more information, visit www.usb.org/wusb.

Resources


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