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What is 2G spectrum?

In: Mobile Phones, BlackBerry Devices, iPhone 3G [Edit categories]

Answer:

2G (or 2-G) 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 (now part of Elisa Oyj) 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.

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First answer by Amitshah.in. Last edit by Kamuna. Contributor trust: 1851 [recommend contributor ]. Question popularity: 74 [recommend question].

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Relevant answers:

What about 2g spectrum?
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