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. 1G was offered in analog technology (AMPS), and since 2G signals are transmitted in digital format in GSM and CDMA technologies.
Read moreWhat is the difference between 2G 3G and 4G architecture?
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.23 Eki 2016
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