Wireless carriers prepare for big traffic at DNC - CNET

AT&T, Verizon and T-Mobile are using a so-called neutral "distributed antenna system," or DAS, to help bolster cellular coverage and boost capacity within the Wells Fargo Center. The way it works, carriers all share antennas deployed throughout the arena, which then feed into a central area where the signals connect to each of the carrier networks. On a tour of the network last week, T-Mobile field technician, Tracy McDaniel, showed off T-Mobile's upgraded equipment in the DAS at Wells Fargo in Philadelphia.

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