The good news for customers of the nation's third largest carrier, is that once the Fair closes T-Mobile will permanently offer a low-frequency 700MHz signal in the area. The carrier uses this low frequency spectrum for its Extended Range LTE service that has more range and penetrates buildings better than higher frequency spectrum.
Speaking of low-frequency spectrum, later this year the FCC will be auctioning off 600MHz airwaves that could bring in over $30 billion. T-Mobile and AT&T are both expected to be big players in the auction, while Sprint is sitting it out.
T-Mobile is adding a temporary 4G LTE signal in Central Florida that will become a permanent 700MHz signal