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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]
A new addition has been the quad-band phone, also known as a World Phone, [5] supporting at least all four major GSM bands, allowing for global use (excluding non-GSM countries such as Japan, South Korea and as well countries where 2G system was shut down to release frequencies and spectrum for LTE networks like Australia (since 2017 ...
5G services went live in Auckland, Wellington, and Christchurch in March 2022. With the launch of 5G, 2degrees is progressively replacing its Huawei equipment with new Ericsson (3G,4G and 5G) kit. 2G services were shut down in March 2018. Currently, 2degress has services on the following frequencies: 3G UMTS B1 (2100 MHz), B8 (900 MHz)
The second mobile provider to shut down its GSM network (on 1 January 2017) was AT&T Mobility from the United States. [19] Optus in Australia completed the shut down of its 2G GSM network on 1 August 2017, part of the Optus GSM network covering Western Australia and the Northern Territory had earlier in the year been shut down in April 2017. [20]
All major and regional MNOs use 4G LTE / LTE Advanced and 5G NR protocols (2G and 3G having been deprecated and shut down), with GSM technologies. However, many MVNOs tend to sell somewhat older phone models (e.g. ones discontinued by the host networks), which can affect whether all technologies supported by the carrier network are usable by ...
When you buy a bottle of vitamins from a nutrition store, you’ll probably notice a best-by date on the bottom of the jar. But that inscribed number isn’t a hard-and-fast rule—there is some ...
Ahjané Forbes is a reporter on the National Trending Team at USA TODAY. Ahjané covers breaking news, car recalls, crime, food recalls, health, lottery, and public policy stories. Email her at ...
Several operators around the world have already or are in the process of shutting down their 3G networks (see table below). In several places, 3G is being shut down while its older predecessor 2G is being kept in operation; Vodafone Europe is doing this, citing 2G's usefulness as a low-power fallback. [26]