G2 officially the first HSPA+ device on T-Mobile
That same handset was making the rounds as the HTC Vision earlier on, which, in its turn, was rumored to be like an HTC Desire with a keyboard - 1GHz Snapdragon with 3.7" WVGA display. Whatever the final specs are, the most important feature of the G2 will be its HSPA+ data download speeds with a theoretical peak of 21Mbps, which will more likely be in the realm of 14Mbps. Still, that's a lot more than the current smartphones of the carrier are capable of, and on top of that T-Mobile has deployed its self-proclaimed 4G network in more than 50 metropolitan markets already.
T-Mobile G2 Preliminary Specifications