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2G, or second-generation cellular network technology, marks the transition from analog to digital communication in mobile networks. Defined by the European Telecommunications Standards Institute (ETSI) under the GSM standard, which became the first globally adopted framework for mobile communications, 2G was first commercially launched in 1991 by Radiolinja (now part of Elisa Oyj) in Finland. [1]
Operator Country Technology Frequency (MHz) Launch date End of service Notes Movicel Angola CDMA2000 1xRTT, EV-DO Rev. A 800 Apr 2004: Mar 2016 [38] [39] [40]BelCel Belarus ...
The project was established in December 1998 with the goal of developing a specification for a 3G mobile phone system based on the 2G GSM system, within the scope of the International Telecommunication Union's International Mobile Telecommunications-2000, hence the name 3GPP. [3]
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.
This list contains the mobile country codes and mobile network codes for networks with country codes between 500 and 599, inclusively – a region that covers Oceania, Maritime South East Asia, and Thailand. Guam and the Northern Mariana Islands as parts of the United States are listed under Mobile Network Codes in ITU region 3xx (North America).
See United Kingdom PSTN switch-off. Voice telephony will continue to follow the E.163 and E.164 standards, as with current mobile telephony, with the interface to end-users remaining the same. Several other European countries, including Estonia, Germany, Iceland, the Netherlands, Spain and Portugal, have also retired, or are planning to retire ...
EE in the UK, plans to switch off their 3G networks in early 2024. [27] In the US, Verizon shutdown their 3G services on 31 December 2022, [ 28 ] T-Mobile shut down Sprint 's networks on 31 March 2022 and shutdown their main networks on 1 July 2022, [ 29 ] and AT&T has done so on 22 February 2022.
These delegated acts are likely to focus on improving access to emergency services for people with disabilities as well as for people who are travelling in other countries. The first delegated act will come into effect by 21 December 2022. Changes to eCall regulations are also anticipated as mobile operators prepare for 2G and 3G switch off ...