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  • 3G vs. 4G: Real-world speed tests

    Posted December 16, 2010 - 10:17 am

    Mobile workers who need always-on Internet access -- and who don't want to rely on public Wi-Fi hot spots -- often turn to a cellular network for connectivity, using either a 3G-equipped notebook or an external 3G modem. Now carriers are touting faster fourth-generation wireless networks as the next phase of mobile computing. But to make use of the new networks, you have to buy a 4G-capable device or modem and a new, often more-expensive service plan.

  • Mobile WiMax may not make corporate connections

    Posted November 3, 2008 - 4:08 pm

    Can mobile WiMax work for business users who are looking for high-speed wireless Internet access? Sprint Nextel Corp. and financial backers that include Intel Corp. and Google Inc. think it can. But WiMax has some obvious limitations.
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