Clearwire (NASDAQ: CLWR) and Sprint Nextel (NYSE: S) announced Wednesday that the companies will combine their broadband wireless units to create a $14.55 billion mobile wireless communications company to provide internet access, phone service, movies, games and a variety of other broadband wireless data services. The new company, which will retain Clearwire's name, will continue developing a mobile network based on WiMax technology, which promises much faster speeds than the latest 3g cellular networks.