17.01.2011 18:35 Uhr, Quelle: Engadget

2G, 3G, 4G, and everything in between: an Engadget wireless primer

It's hard to believe nowadays, but in a simpler time, cellphones really were called "cell phones," not dumbphones, smartphones, feature phones, or superphones. They bulged in your pocket -- if they fit in your pocket at all, that is -- and they made calls. That's it. None of this social networking, messaging, browsing, Instagramming, Flash 10.1 nonsense. They didn't upload 5 megapixel photos to Flickr, and they most certainly didn't turn into wireless hotspots. Of course, those bleak days are mercifully behind us now -- but as carriers around the world start to light up a promising new generation of high-speed wireless networks, things are beginning to get a little confusing. Just what is "4G," anyway? It's one higher than 3G

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