What are the features of 2G systems?

Some of the key features of 2G were:

Advantages of 2G over 1G It allows voice signals to be digitized and compressed . So, they are more efficient on frequency spectrum than 1G. They introduced data services for mobile in form of SMS text messaging. Data and voice signals are digitally encrypted.28 Eyl 2018

Drawbacks of 2G: Required strong digital signals to help mobile phones work . If there was no network coverage, digital signals weakened. Systems were unable to handle complex data like videos.6 Mar 2019

It makes use of the mobile phone with the analog signal more difficult and this signal are suffer from interference problem . Limited capacity . Poor hand-off reliability . Very slow speed .