Internet, Wi-Fi and phone
GSM
Abbreviation for Global System for Mobile Communications
In short and in plain language
GSM is an older standard for mobile networks. It is the second generation.
It is mostly used for calls and short text messages.
Providers in Germany plan to switch these networks off.
Definition
GSM is the second-generation mobile standard. It is mainly used for calls and text messages. Network operators in Germany have announced plans to switch these networks off.