All AT&T phones will have 1900 MHz 3G ....
I actually thought TMobile was moving to 2100 MHz. They currently use 1700/2100 for downlink/uplink. It was my understanding that some sites were pure 2100 (up and down), and THAT is the reason why more devices would be working with it in 3G. Not because of 1900 which is already crowded.
(Most modern phones also support 2100 MHz 3G - it's the world standard 3G frequency).
shawn, 19 Dec 2011great news hope they expend especially to NYC
Even current generation LTE/WiMax isn't 4G, it's 3.9G.
Hopefully the advertising standards agency in the UK will keep operators in line.