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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 ...
2G (or 2-G) provides three primary benefits over their predecessors: phone conversations are digitally encrypted; 2G systems are significantly more efficient on the spectrum allowing for far greater mobile phone penetration levels; and 2G introduced data services for mobile, starting with SMS (Short Message Service) plain text-based messages. 2G technologies enable the various mobile phone ...
The Dobson TDMA and AMPS network was shut down March 1, 2008. On May 31, 2007, Rogers Wireless decommissioned its D-AMPS and AMPS networks and moved the remaining customers on these older networks onto its GSM network. Alltel completed their shutdown of their D-AMPS and AMPS networks in September 2008.
The 2G spectrum case was a political controversy in which politicians and private officials of the United Progressive Alliance (UPA) coalition government India were allegedly involved in [1] selling or allotting 122 2G spectrum licenses on conditions that provided an advantage to specific telecom operators.
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]
Flow is a trade name of the Caribbean former telecommunications provider Cable & Wireless Communications [1] used to market cable television, internet, telephone, and wireless services.
A Cell Broadcast message is an unconfirmed push service, meaning that the originators of the messages do not know who has received the message, allowing for services based on anonymity. [1] Cell Broadcast is compliant with the latest EU General Data Protection Regulation (GDPR) as mobile phone numbers are not required by CB. The originator ...