Apple has a tradition of timing FCC filings for new wireless mobile devices so that they appear just as soon as they've been announced, and it's not about to let up now. We've got a trifecta of approvals on the way for 2012 that start with the iPhone 5. What's hard to miss is the absurd number of cellular bands at work: as Apple had to make separate iPhone 5 models to cover every LTE carrier it supports, on top of the usual a