
T-Mobile's oddball 3G network makes creating a device that simply supports all forms of North American HSPA a challenge for a very simple reason: even triband HSPA radios are still a bit of a novelty, and to support everything we've got going on over here, you effectively need to go quadband since AWS splits its duties between 1700 and 2100MHz. Happily, Motorola is coming to bat here, not with an actual phone but with an 850 / 1900 / AWS...