what is the difference between 2g/3g/4g telecom services?
In a nutshell the difference is SPEED. The G in 2G, 3G and 4G stands for Generation, and they refer 2nd, 3rd and 4th generation of wireless technology. The newer generation is faster, more secure and more reliable. ... 4G – 4G delivers up to 100Mbps for mobile access, and up to 1Gbps for wireless access.