How's the cell coverage on campus?

So right now I'm on Verizon, and I have pretty decent cell coverage in most of the buildings (except the basement of Stamp).

I'm looking to switch carriers and was wondering if anyone who has Tmobile gets a signal on campus? How about other carriers? Any big deadzones for your provider?

Like I said, I'm looking for info about terps who use Tmobile on campus, but info about other cell carriers might be useful for other people, so please feel free to chime in!