Out of all the questions about whether T-Mobile AWS bands are present...I never saw an answer so I went to the FCC...according to them...no. No testing was done for it and you can see that here
at the FCC filing page. It uses WCDMA Bands II/V so unfortunately no go.
I was too hoping it was like the Nexus 7 and had T-Mobile bands. I actually had no idea that the Nexus 7 HSPA+ and LTE are one in the same device until I bought the LTE version from Fry's and found out it works with my T-Moible HSPA+ sim card lol