Margaret Rouse is an award-winning technical writer and teacher known for her ability to explain complex technical subjects simply to a non-technical, business audience. Over…
A carrier, in the context of cellular technology is a company that provides mobile services. The term “carrier” is short for wireless carrier. Other terms used that refer to the same thing include mobile network operator, mobile phone operator, mobile operator, cellular company, and wireless service provider.
A company aspiring to become a carrier normally starts by applying for a radio spectrum license from the government. The radio spectrum or frequency range that it applies for depends on the kind of technology the company wishes to employ. GSM (Global System for Mobile Communications) utilizes a frequency range different from CDMA (Code Division Multiple Access).
These frequency ranges are usually offered by the government to interested parties through auctions. When the company succeeds in its bid to become a wireless carrier, it then has to build the necessary infrastructure in order to offer mobile services to its subscribers. These services can range from voice, SMS, MMS, to Web access.
Some of the biggest carriers in the world (based on the number of subscribers) include China Mobile, Vodafone, SingTel, America Movil, and Telefonica. In the US, the largest carriers are Verizon and AT&T.
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Margaret is an award-winning technical writer and teacher known for her ability to explain complex technical subjects to a non-technical business audience. Over the past twenty years, her IT definitions have been published by Que in an encyclopedia of technology terms and cited in articles by the New York Times, Time Magazine, USA Today, ZDNet, PC Magazine, and Discovery Magazine. She joined Techopedia in 2011. Margaret's idea of a fun day is helping IT and business professionals learn to speak each other’s highly specialized languages.
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