| http://www.w3.org/ns/prov#value | - The Nextel National Network is a guaranteed all-digital network covering more than 250 US cities, including major business destinations such as Atlanta, Boston, Chicago, Dallas, Detroit, Los Angeles, New York, Philadelphia, Seattle and Washington, DC. Traditional cellular networks in the US, by contrast, are operated by a variety of companies in different cities and regions, meaning cellular roame
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