T-Mobile will utilize the 1700MHz and 2100MHz bands in North America, which are not the same bands used elsewhere in the world. This will require handset makers to incorporate multiple UMTS bands in their devices if they are to be able to roam on any UMTS service.
This news is not surprising due to the recent spectrum purchases that T-Mobile was able to win in the last FCC Auction. You can find some pricing speculation at the::unwired, and more strategic analysis at eWeek – links below.
