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" Adoption of 4G WiMax networks, which promise faster anywhere-Internet than 3G networks, has advanced at a crawl in the U.S. The problem: There are far too few WiMax-blanketed cities, and far too few WiMax-compatible devices. The Sprint Overdrive 3G/4G Mobile Hotspot ($100) is the most practical way of logging on to WiMax yet. Like other mobile hotspots for cellphone signals, it converts airborne cellular signals into a Wi-Fi feed that any PC or Wi-Fi-enabled device can use to get online. If you&amp;#039;re in one of the (still-too-few) WiMax-enabled cities, it uses that speedy signal. If not, it uses a 3G network as a backup. "^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.popularmechanics.com/technology/gadgets/reviews/a5149/4341646/>