What is gsm meaning?

GSM stands for "Global System for Mobile communications". It is a standard for mobile telecommunications that enables voice and data to be transmitted over cellular networks. The GSM standard was first developed in the 1980s and is now considered the most widely used mobile phone standard in the world, used by over 80% of mobile users globally. GSM networks use digital technology and are capable of transmitting voice and data at speeds of up to 9.6 kbps. The benefits of GSM technology include wider network coverage, better call quality, and increased security features.