2G

2G, or second-generation wireless technology, revolutionized mobile communication by introducing digital signals instead of analog. This shift enhanced voice quality, security, and allowed for basic data services like SMS text messaging and limited internet access. Operating at lower frequencies, 2G networks provided more reliable coverage across wider areas. It marked the transition from simple voice calls to more versatile mobile experiences, laying the groundwork for subsequent advancements like 3G and 4G. While largely phased out today, 2G was a crucial step in making mobile phones more functional and accessible worldwide.