These are the world's largest mobile phone companies, by number of subscribers. The primary cellular technology used by each carrier is shown in parentheses.
These are the largest mobile phone companies in the United States, by number of subscribers. The primary cellular technology used by each carrier is shown in parentheses.
In North America, IS-95 is commonly known as CDMA. IS-136 is known as TDMA. However, CDMA and TDMA are general terms that can refer to several different technologies.
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