"We added enormous capacity to the network in one fell swoop, " Mr. Melone said.

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The build-out will continue through 2013, at which point the company expects to complete upgrading its 3G network to 4G, said Melone.

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More of those types of products will come out in the next couple of weeks, Verizon CTO Tony Melone said at the event.

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"We've heard a lot about 4G around the industry, " Melone said.

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