Sprint has been talking up the fact that they have "America's first and only 4G network" on their commercials for awhile now. It has actually been somewhat confusing; you see a Pre ad, then Sprint talks about 4G, yet the Pre cannot support WiMAX nor LTE signals. At any rate, Sprint actually is involved in America's only (at the moment) 4G network, which is also sold and supported by Clearwire. To date, this super high-speed mobile broadband network has only been used by 4G modems (like USB sticks), but it sounds
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