What is the difference between 2G and GSM?

2G is basically just a fancy name for the original 1st generation GSM technology . GSM technology enabled many networks to provide services like text messages, picture messages and MMS. In GSM technology all text messages are digitally encrypted due to which only the intended receiver receives message.1 Eyl 2017

Global System for Mobile communications or GSM is the current and most widely used standard for mobile phones today while 3G is the next generation mobile technology that has begun to replace GSM . 3G is still in its infancy and only has a very small area covered when compared to GSM.

GSM is a second-generation (2G) standard employing time-division multiple-access (TDMA) spectrum-sharing, issued by the European Telecommunications Standards Institute (ETSI).