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3G is defined as the network speed. There are several ways to arrive at 3G. This is why AT&T, Rogers, Vodafone, Telefonica, O2, T-Mobile & others each have their own differences. Therefore it's not as simple as it sounds. Not only are frequencies part of the picture, but even more importantly is the hardware configurations that are used. The routers & switching devices that control hand offs from tower to tower are programmed & controlled differently by each carrier.
This is why no matter if we talk about 2G or 3G the way the cellular "traffic" is handled is what makes the difference between dropped calls or no dropped calls. Due to the complex yet very effective & successful configuration of AT&T's network is one reason they were just recognized as the best carrier in the world. It's why when I fly to my office in London, my BlackBerry Bold works as well as it does when I'm in the USA. Because of their network expertise, AT&T is able to seamlessly handle both 2G & 3G automatically. It's an advantage to the customer. With AT&T you don't have to be a tech person & manually switch your phones network settings from 2G or 3G, you just use your phone. Nothing to worry about.
Just like the automatic transmission in your car. You just get in & drive. Only people who are auto enthusiasts choose a manual transmission, requiring driver involvement, for their sports car. The rest, take advantage of modern technology.
It's simple really, with AT&T you have one less thing to deal with. The phone just works. That's why AT&T and RIM are such a good match, they both are reliable, and just work. It's the reason AT&T sells the most BlackBerrys.
sent via BlackBerry Bold
(wap.pinstack.com)~
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