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22 relations: Advanced Mobile Phone System, Ameritech, AT&T Mobility, Chicago, Cincinnati Bell, Code-division multiple access, Digital AMPS, Great Lakes, GTE, History of AT&T, Holding company, Illinois Bell, Indiana Bell, Landline, Lemont, Illinois, Michigan Bell, Mobile phone, Ohio Bell, United States, Verizon Wireless, Wireless, Wisconsin Bell.
Advanced Mobile Phone System
Advanced Mobile Phone System (AMPS) is an analog mobile phone system standard developed by Bell Labs, and officially introduced in the Americas on October 13, 1983,.
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Ameritech
AT&T Teleholdings, Inc., formerly known as Ameritech Corporation (and before that American Information Technologies Corporation), was a U.S. telecommunications company that arose out of the 1984 AT&T divestiture.
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AT&T Mobility
AT&T Mobility LLC, also known as AT&T Wireless marketed as simply AT&T, is a wholly owned subsidiary of AT&T that provides wireless services to 138.8 million subscribers in the United States including Puerto Rico and the U.S. Virgin Islands.
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Chicago
Chicago, officially the City of Chicago, is the third most populous city in the United States, after New York City and Los Angeles.
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Cincinnati Bell
Cincinnati Bell is the dominant telephone company for Cincinnati, Ohio, its nearby suburbs, and the Dayton metropolitan area in the U.S. states of Ohio, Indiana and Kentucky.
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Code-division multiple access
Code-division multiple access (CDMA) is a channel access method used by various radio communication technologies.
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Digital AMPS
IS-54 and IS-136 are second-generation (2G) mobile phone systems, known as Digital AMPS (D-AMPS), and a further development of the north-American 1G mobile system AMPS.
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Great Lakes
The Great Lakes (les Grands-Lacs), also called the Laurentian Great Lakes and the Great Lakes of North America, are a series of interconnected freshwater lakes located primarily in the upper mid-east region of North America, on the Canada–United States border, which connect to the Atlantic Ocean through the Saint Lawrence River.
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GTE
GTE Corporation, formerly General Telephone & Electronics Corporation (1955–1982), was the largest independent telephone company in the United States during the days of the Bell System.
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History of AT&T
The history of AT&T dates back to the invention of the telephone itself.
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Holding company
A holding company is a company that owns other companies' outstanding stock.
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Illinois Bell
Illinois Bell Telephone Company is the name of the Bell Operating Company serving Illinois.
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Indiana Bell
Indiana Bell Telephone Company, Incorporated, is the Bell Operating Company serving Indiana.
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Landline
A landline telephone (also known as land line, land-line, main line, home phone, landline, fixed-line, and wireline) is a phone that uses a metal wire or optical fiber telephone line for transmission as distinguished from a mobile cellular line, which uses radio waves for transmission.
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Lemont, Illinois
Lemont is a village located in Cook, DuPage, and Will counties in the U.S. state of Illinois, and is a suburb of Chicago.
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Michigan Bell
Michigan Bell is the subsidiary of AT&T serving the state of Michigan.
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Mobile phone
A mobile phone, known as a cell phone in North America, is a portable telephone that can make and receive calls over a radio frequency link while the user is moving within a telephone service area.
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Ohio Bell
The Ohio Bell Telephone Company, now doing business as AT&T Ohio, is the Bell Operating Company serving most of Ohio and parts of West Virginia.
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United States
The United States of America (USA), commonly known as the United States (U.S.) or America, is a federal republic composed of 50 states, a federal district, five major self-governing territories, and various possessions.
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Verizon Wireless
Cellco Partnership, d/b/a Verizon Wireless (commonly shortened to Verizon, and stylized as verizon), is an American telecommunications company which offers wireless products and services.
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Wireless
Wireless communication, or sometimes simply wireless, is the transfer of information or power between two or more points that are not connected by an electrical conductor.
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Wisconsin Bell
Wisconsin Bell, Inc. (known as Wisconsin Telephone Co. before 1984) is the name of the Bell Operating Company serving Wisconsin.
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Redirects here:
Ameritech Mobile Communications, Ameritech Wireless.
References
[1] https://en.wikipedia.org/wiki/Ameritech_Cellular
