1G introduced basic wireless voice calls, while 2G brought digital signals, encryption, and the birth of the SMS.
These generations shifted the focus to high-speed internet, enabling mobile video and the "user-centric" system we use today. Wireless and Mobile Communications
The current 5G landscape is built for more than just phones; it powers Massive Machine-Type Communication (mMTC) and ultra-reliable low-latency links for everything from self-driving cars to remote surgery. More Than Just "Cell Service" 1G introduced basic wireless voice calls, while 2G