T-Mobile's 3G data network will use a technology called UMTS, or Universal Mobile Telecommunications System.

FORBES: T-Mobile Plays 3G Catch-Up

We'll know soon enough what's going down, but user agent profiles recently published on Moto's own site detail two Android-powered devices -- model numbers MB200 and MB300 -- that feature UMTS (and very likely HSPA in some form), HVGA displays, and in the case of the MB300, probably a 5 megapixel cam considering a mention of 2592 x 1944 resolution.

ENGADGET: Motorola announcing Android plans today, but what's coming?