Understanding the Mobile World

The intertwining of telecom, banking, and M2M/IoT produces a new degree of complexity. We hope our COMPRION glossary helps you to get a good overview of all the connected terms, technologies, and concepts.


2G (or 2-G) is short for second-generation wireless telephone technology. Three primary benefits of 2G networks over their predecessors were: 2G technologies enabled the various mobile 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. The most successful digital system for 2G is GSM.

  • Phone conversations were digitally encrypted
  • 2G systems were significantly more efficient on the spectrum allowing for far greater mobile penetration levels
  • 2G introduced data services for mobile communication, starting with SMS


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