2G scam
4G
Lecture 2 evolution of mobile cellular
In Europe 1926, radio telephony was first used on the first-class passenger trains Also introduced on passenger airplanes for air traffic security Germans.
Generations of network 1 g, 2g, 3g, 4g, 5g
4g technology
4G technology ppt By Rahul Yadv
Transition from 1G to 4G
