AT&T doesn't use CDMA... so they wouldn't be running 1xRTT. EDGE, perhaps?
Yes. AT&T also announced plans to get into the next layer, UMTS, which uses the concept of code division multiple access (CDMA), but isn't the same as Quallcomm CDMA (IS-95/IS-2000/CDMA2000). I don't know offhand which of the GSM-core technologies are/will be deployed by them at this time, as they aren't the carrier I currently use.
(To my knowledge, however, AT&T does offer GPRS, which is slow, but if using at least two timeslots, still faster than IS-95 CDMA non-1X data. 8-)
Actually, you should be able to get EDGE from T or its new parent. It has been productized for a while. Thanks, Christian -- "Sometimes a phone is just a phone." ***** The information transmitted is intended only for the person or entity to which it is addressed and may contain confidential, proprietary, and/or privileged material. Any review, retransmission, dissemination or other use of, or taking of any action in reliance upon this information by persons or entities other than the intended recipient is prohibited. If you received this in error, please contact the sender and delete the material from all computers. 162