GSM technology

GSM technology refers to the Global System for Mobile Communications, a standard developed to describe protocols for second-generation (2G) digital cellular networks used by mobile phones. It is the most widely used mobile communication system worldwide, known for enabling reliable voice calls, SMS messaging, and basic data services. GSM technology introduced innovations such as SIM cards, international roaming, and improved spectrum efficiency, laying the foundation for modern mobile networks. Use this tag for posts related to mobile communication standards, network infrastructure, cellular technology advancements, and related topics.