HTC HD7

HD7 latest HTC Windows Mobile Phone (T-Mobile) Other products by HTC High-Speed Data Connectivity via T-Mobile's 3G network, In addition to quad-band GSM connectivity, this phone is also compatible with the / T-Mobile's UMTS network, 3G HSDPA that operates on AWS 1700/2100 MHz spectrum. This phone is designed to automatically
connect to the best available network (3G or GSM / GPRS / EDGE) to provide faster data speeds when accessing the Web. In areas where 3G networks are not available, you will continue to receive service through T-Mobile's EDGE network (which stands for "Enhanced Data Rates for Global Evolution"). This high-speed, mobile data and Internet access technology is fast enough to support a variety of advanced data services (with average data speeds between 75-135Kbps), including full picture and video messaging, high-speed color Internet access, and e-mail at travel.
While this phone is optimized for use with high speed 3G network T-Mobile, many corporate functions will also work well at moderate speed EDGE network. If you plan to access the Internet extensively on your phone, 3G network coverage may serve you best