What is 2G 3G and 4G?

2G – Delivered digital signal and offered up to 250Kbps speed. Supports voice, text and data services. 3G – At least 200Kbps up to 3Mbps speed. 4G – 4G delivers up to 100Mbps for mobile access, and up to 1Gbps for wireless access.

Read more

What is 1G and 2G technology?

1G stands for first generation and 2G stands for second generation are the 2 generations of mobile phones. 1G is that the 1st generation of mobile phones that brought 1st wireless communication to United States. … 2G uses TDMA and CDMA for dividing the channels, and it provides voice and digital communication services.

Read more