Originally Posted by ReDxKiNG
Always wondered about this..I am on the EVO 4G(which is a CDMA) and can use the phone & data at the same time (albeit only when I am using 4G and *NOT* 3g). Why is that? or is it because 4g uses a seperate radio/antenna than 3g?...I think the only bad thing about CDMA is when you travel out of the country considering the majority of the world uses GSM
That is because Sprint uses CDMA for voice and WIMAX for Data on their network. Verizon will support voice and data on any LTE device but since the iPhone 4 is a 3G device it will be missing out on Verizons Network.