1. AT&T
1.1. pros:
1.1.1. Surf the wireless Internet faster and significantly lower your wait for page loads
1.1.2. Multi-task while you are on a call, search for movies times, look up directions, or send messages.
1.1.3. Access CV for faster on-demand viewing of high quality video clips from your favorite TV shows, news, sport and weather
1.2. cons:
1.2.1. 3G network not available in all areas
1.2.2. Broadband Connect speed claims based on our network tests without compression using 3MB data files
1.2.3. Actual throughput speed varies
1.3. http://www.wireless.att.com/learn/why/technology/3g-umts.jsp?WT.srch=1
2. Define 3G and 4G:
2.1. 3G:3rd Generation, is a family of standards for mobile telecommunications fulfilling specifications by the International Telecommunication Union
2.1.1. http://en.wikipedia.org/wiki/3G
2.2. 4G:refers to the fourth generation of cellular wireless standards. cell phone technology, refers to the entirely new evolution and a complete 3G replacement in wireless communications.
2.2.1. http://cellphones.about.com/od/phoneglossary/g/4g.htm
3. Verizon
3.1. pros:
3.2. Verizon Wireless is also making headway towards getting its 4G network in place, but they're going a different route than Sprint by selecting LTE technology
3.3. their 4G LTE network will be roughly similar to its current 3G network in terms of size.
3.4. their network has seen peek download speeds of around 50Mbps, which is huge, but expect real-life download speeds of probably around 10Mbps
3.4.1. http://www.techreviewsource.com/content/view/411/1/
3.5. cons:
3.6. Not available in all areas
4. Sprint 4G
4.1. pros:
4.1.1. Is the first U.S. national wireless carrier to sell the ultra-fast 4G wireless service that can turbo-charge your mobile phone, music player, digital camera or handheld game.
4.1.2. Seconds, not minutes, to download music, pictures, files, or videos
4.1.3. 3x faster than what I was getting with my AT&T DSL
4.2. cons:
4.2.1. Not available in all areas
4.2.2. It is will cost $20 more then the 3G data service