Much of the industry’s focus on ultra wideband (UWB) research and development during 2002 has centered on standardization. UWB represents fresh opportunities with respect to defining a new standardized physical interface for wireless technology. To a great degree, the success of UWB is in the hands of the industry. With much interest and many different industry views, there will be many proposed approaches to the standardization of UWB. Choosing a single worldwide universal standard that can coexist peacefully with existing spectrum users (other RF technologies) while providing scalability for future technologies will be the most important step in ensuring the success and future of UWB. This article will explore UWB technology, some of the opportunities it presents, and some of the challenges that lie ahead.