Exceprt from arstechnica: Google, of course, has become an Internet provider with Google Fiber in Kansas City. There have also been rumors that Google is talking to Dish Network about offering cellular service. And just days ago, Dish offered to buy Clearwire, whose spectrum Google is using in this test.
Google's previous requests for experimental licenses have used unlicensed frequencies such as those in the 2.4 and 5 GHz bands used by Wi-Fi. "This appears to be Google’s first experimental radio application using mobile broadband bands," Crowley wrote.