What does 2G mean in Telecom?

This page is about the meanings of the acronym/abbreviation/shorthand 2G in the Computing field in general and in the Telecom terminology in particular.

Second Generation

Computing » Telecom

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Definition

What does 2G mean?

2G
2G is short for second-generation wireless telephone technology. Second generation 2G cellular telecom networks were commercially launched on the GSM standard in Finland by Radiolinja in 1991. Three primary benefits of 2G networks over their predecessors were that phone conversations were digitally encrypted; 2G systems were significantly more efficient on the spectrum allowing for far greater mobile phone penetration levels; and 2G introduced data services for mobile, starting with SMS text messages. 2G technologies enabled the various mobile phone networks to provide the services such as text messages, picture messages and MMS. All text messages sent over 2G are digitally encrypted, allowing for the transfer of data in such a way that only the intended receiver can receive and read it. After 2G was launched, the previous mobile telephone systems were retrospectively dubbed 1G. While radio signals on 1G networks are analog, radio signals on 2G networks are digital. Both systems use digital signaling to connect the radio towers to the rest of the telephone system.

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"2G." Abbreviations.com. STANDS4 LLC, 2020. Web. 1 Oct. 2020. <https://www.abbreviations.com/term/1434084>.

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