4G is getting a bit out of hand with regards to
misleading 4G marketing claims and speeds. Sprint is using Wimax, T-Mobile & AT&T are using HSPA+,
Verizon and MetroPCS are both using LTE. AT&T is not charted above because they refuse to say how fast their network will be. Here is another chart comparing 4G & 3G network speeds. Every carrier but T-Mobile seems to have data pricing wrong and don't realize that their customers are increasingly using
Wifi for data offload and this is free.
