It is weird because we have all heard about the bandwith problems AT&T has been having with the iPhone and how AT&T wanted to charge on a per-use basis. Maybe AT&T is putting it off because of their inability to handle it. Perhaps waiting til they build up LTE to release it.
This thread talks about the design of GSM and CDMA (thanks to Iowa for writing this) and why CDMA is able to handle more data and voice than GSM is- http://androidforums.com/lounge/82363-why-cdma-better-than-gsm.html
This thread talks about the design of GSM and CDMA (thanks to Iowa for writing this) and why CDMA is able to handle more data and voice than GSM is- http://androidforums.com/lounge/82363-why-cdma-better-than-gsm.html