Everything 850 mhz
AT&T announced it's invested nearly $65 million in upgrading their 3G network in San Francisco through Q3 2009:
“More than ever before, customers look to wireless communications to stay in
TiPb reader Jake let us know that he just received the following message about 3G service level improvements from AT&T:
We've enhanced your 3G network to offer more speed, capacity






























