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2. History of AT&T - Wikipedia

   en.wikipedia.org/wiki/History_of_AT&T

   The history of AT&T dates back to the invention of the telephone. The Bell Telephone Company was established in 1877 by Alexander Graham Bell, who obtained the first US patent for the telephone, and his father-in-law, Gardiner Greene Hubbard. Bell and Hubbard also established American Telephone and Telegraph Company in 1885, which acquired the ...

3. United States Cellular Corporation - Wikipedia

   en.wikipedia.org/wiki/United_States_Cellular...

   Telephone and Data Systems (84%) Website. www .uscellular .com. United States Cellular Corporation ( doing business as UScellular and formerly known as U.S. Cellular) is an American mobile network operator. It is a subsidiary of Telephone and Data Systems Inc. (which owns an 84% stake). The company was formed in 1983 and is headquartered in ...

4. Republic Wireless - Wikipedia

   en.wikipedia.org/wiki/Republic_Wireless

   Website. www .republicwireless .com. Republic Wireless (stylized in all lowercase) [2] was an American mobile virtual network operator (MVNO). Republic sold low cost mobile phone service on partner networks. Republic started as a unique company that provided customers with VOIP numbers which relied on WiFi first with cell as a backup.

5. Rogers Wireless - Wikipedia

   en.wikipedia.org/wiki/Rogers_Wireless

   Website. rogers .com /wireless. Rogers Wireless Inc. is a Canadian wireless telephone company headquartered in Toronto, providing service nationally throughout Canada. It is a wholly owned subsidiary of Rogers Communications. [4] The company had revenues of just under $15.1 billion in 2018. [2] Rogers Wireless is the largest wireless carrier in ...

6. Comparison of wireless data standards - Wikipedia

   en.wikipedia.org/wiki/Comparison_of_wireless...

   Typical 2G standards include GSM and IS-95 with extensions via GPRS, EDGE and 1xRTT, providing Internet access to users of originally voice centric 2G networks. Both EDGE and 1xRTT are 3G standards, as defined by the ITU, but are usually marketed as 2.9G due to their comparatively low speeds and high delays when compared to true 3G technologies.

7. List of mobile network operators in the United States - Wikipedia

   en.wikipedia.org/wiki/List_of_mobile_network...

   AT&T, T-Mobile, Verizon, Dish Wireless , and uscellular also sell SIM cards through their retail channels, both in-store and online. The top five wireless providers operate nationwide wireless networks which cover most of the population in the United States, while smaller carriers provide native network coverage across selected regions of the ...