AT&T is a network and they do have a 3G network. They are not considered a 100% 3G network because they have a lot of different options.
There is no such thing as the nook fire. The Kindle Fire however has only 3G The Nook has both options.
To get more information about the iPhone 3g you have two options, either go to a radio shack and ask an employee, or go online to their website and look at information about it.
Yes using netflix. Go into options menu
I suggest calling you're current provider and they'll be able to advise on the options.
iPad2 comes with two models. One with wifi and another with wifi+3G. iPad2 wifi model can connect to Internet via wifi. Another version have two options. If you are in home with wifi you can connect to it. When you are outside, say at friends home where he don't have wifi, you can use 3G service. For 3G service you need authentic SIM card with 3G service enabled on it.
satellite based internet as well as 3g gsm connections
Yes it is a 3G smartphone.
There is a small chance you have no enabled 3G. To do this follow these steps. Go to Settings > General > Network and Enable 3G should be set to on. Also your area may not have 3G capabilities. In this case there is no 3G signal for 3G to work. To check 3G coverage contact your provider. Also if your iPhone is a 1st Generation and not the iPhone 3G you do not have 3G capabilities.
3g
3g
No. Its not 3G.