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This is a list of mobile network operators (MNOs) in the United States. The Cellular Telecommunications & Internet Association (CTIA), lists approximately 30 facilities-based wireless service providers in the United States as members. Competitive Carriers Association (CCA) has over 100 members. [1]
The Cellular band occupies 824–849 MHz and 869–894 MHz ranges. To issue cellular licenses, the FCC divided the U.S. into 734 geographic markets called Cellular Market Areas (CMAs) and divided the 40 MHz of spectrum into two, 20 MHz amounts referred to as channel blocks; channel block A and channel block B.
where N c is the number of channels per cell, BW is the system bandwidth, and A c is Area of cell. Sectorization is briefly described in traffic load and cell size as a way to cut down equipment costs in a cellular network. [2] When applied to clusters of cells sectorization also reduces co-channel interference, according to Walke. [1]
An MVNO enters into a business agreement with a mobile network operator to obtain bulk access to network services at wholesale rates, then sets retail prices independently. [1] An MVNO may use its own customer service, billing support systems, marketing, and sales personnel, or it could employ the services of a mobile virtual network enabler ...
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Cell C is a mobile telecommunications company operating in South Africa, offering voice, data, messaging, and mobile virtual network operator (MVNO) services. The company provides various prepaid and postpaid packages, as well as home internet services. The company's head office is located in Waterfall, Midrand, Gauteng, South Africa.
Many GSM phones support three bands (900/1,800/1,900 MHz or 850/1,800/1,900 MHz) or four bands (850/900/1,800/1,900 MHz), and are usually referred to as tri-band and quad-band phones, or world phones; with such a phone one can travel internationally and use the same handset. This portability is not as extensive with IS-95 phones, however, as IS ...
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