What is 1G 2G 3G 4G 5G of cellular mobile communications?

The different types of mobile communication systems are a mobile two-way radio, public land radio, mobile telephone and amateur (HAM) radio .

The cellular communications networks are known by their numeric generation: 1G, 2G, 3G, 4G and 5G . We are currently fully deployed in 4G with 5G gaining ground. See also wireless LAN, wireless glossary and Wi-Fi vs. cellular.

1G or (1-G) refers to the first generation of wireless telephone technology (mobile telecommunications). These are the analog telecommunication standards that were introduced in 1979 and the early to mid-1980s and continued until being replaced by 2G digital telecommunications.

1G, 2G, 3G, 4G and 5G are the five generations of mobile networks where G stands for Generation, and the number denotes the generation number . 5G is the latest generation, whereas 1G networks are now obsolete. The cellular technologies GSM, UMTS, LTE and NR enable 2G, 3G, 4G and 5G, respectively.