SOUTH FLORIDA (CNET) – AT&T has announced capacity upgrades to about 50 cell sites throughout South Florida.

The upgrades are part of continued investment and innovation by AT&T and are to improve mobile Internet performance, voice connectivity and cell site traffic.

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In Miami-Dade County, areas benefitting from the upgrade include Doral, Virginia Gardens, Sweetwater, Tamiami, Gladeview, Miami, Brownville, and Perrine.

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Plantation and Pompano Beach in Broward County, and Boca Raton, Loxahatchee and Palm Beach Gardens in Palm Beach County are also to benefit from the upgrades.

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“We’re working to build a 4G network that’s smarter and better to provide our South Florida customers with a superior mobile Internet experience,” said AT&T Florida President Marshall Criser III in a statement. “These recent capacity upgrades are an example of one way we’re accomplishing that goal.”