Sure, the Galaxy S 4 made its grand entrance at Radio City Music Hall today, but now it's had a low-key meet-and-greet with the FCC for government approval. The version offered up to Uncle Sam carries a 850 / 1900 GSM radio, 3G connectivity through 850 / 1900 WCDMA frequencies and support for LTE Band 5. Since AT&T's main LTE squeeze is Band 17, what we're seeing here is an international version of Samsung's flagship that can roam portions of Ma Bell's and Magenta'