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ABI Research projects that WiMAX wireless communications will reach more than 1 billion people by the end of 2012, and that LTE will cover another 600 million by that time, marking a fast ramp up of the two technologies that fall into the "4G" category
* 3G has reached top speeds of 14 megabits per second on the downlink but in the real workd 3G is lucky if it can hit one megabit per second.
* 4G, by contrast, can hit 100 megabits per second. The first vendor out of the gate is Clearwire, which offers speeds of three to six megabits in downlink speed per second, comparable to DSL and cable modems. Verizon Wireless, currently testing its 4G network, has reported initial speeds of 40 megabits per second on the downlink.
* Twenty carriers will launch LTE upgrades to their networks by the fourth quarter of 2010. LTE coverage will start in large cities but rapidly expand to handle the increasing move to mobile computing. Verizon is currently building out its network and plans to offer 4G handsets in mid-2011
* At the end of 2009, ABI says there were more than 170 WiMAX carriers across 65 countries covering 480 million people. Pretty much all of them are using WiMAX for computing because there aren't handsets on the market, but that is set to change with the launch of WiMAX handsets from HTC and Samsung later this year.
handset-based navigation shipments finds they are expected to grow at a Compound Annual Growth Rate (CAGR) of 43% over the next five years, rising from 30 million in 2010 to 181 million in 2015.
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