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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 Germany. The present telecommunication standard in Germany is GSM, called "D-Netz" (900 MHz) and "E-Netz" (1800 MHz). It is the successor of the analogous "C-Netz".
In September 2003 there were 10.88 million active lines, which makes 99% market penetration.
These are the largest mobile phone companies in Romania. Romania has 9,025,915 subscribers in total ( September 2004), or 40.37% penetration rate.
These are the largest mobile phone companies in Russia, 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-2000 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.