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Mobile virtual network operators (MVNOs) in the United States lease wireless telephone and data service from the four major cellular carriers in the country—AT&T Mobility, Boost Mobile, T-Mobile US, and Verizon—and offer various levels of free and/or paid talk, text and data services to their customers.
Metro was established in 1994 as General Wireless, Inc., by Roger Linquist and Malcolm Lorang. [4] PCS referred to the industry term, Personal Communications Service. Its service was first launched in 2002. [5] [6] As of February 2005, MetroPCS had about 1.5 million subscribers in the country. [7]
Four of the top five wireless providers have all standardized on 4G LTE and 5G NR as their wireless communication standards, whereas Boost Mobile uses only 5G NR.Of which, LTE has been deployed across their entire coverage area; however, the LTE bands used by each provider remain largely incompatible.
In ITU Region 2, PCS are provided in the '1900 MHz' band (specifically 1850–1995 MHz). [5] This frequency band was designated by the United States Federal Communications Commission (FCC) and Industry Canada to be used for new wireless services to alleviate capacity caps inherent in the original Advanced Mobile Phone System (AMPS) and Digital AMPS (D-AMPS) cellular networks in the '850 MHz ...
In 2004 the FCC developed a new band plan where narrowband operations are provided in 806–816 and 851–861 MHz ranges while wideband operations are allowed in 817–824 MHz and 862–869 MHz separated from narrowband services by a 1 MHz wide guard band. [6] The wideband services part of the SMR band was called ESMR (Enhanced SMR).
In 1995, AT&T introduced a "follow-me" service under the brand name of AT&T True Connections using area code 500. It was designed to replace the AT&T EasyReach 700 service. [3] Other local exchange carriers and interexchange carriers introduced similar competitive services. With the rise of mobile devices such as mobile phones and pagers ...
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