What is the feature of 2G?

2G refers to the second generation of mobile networks based on GSM. The radio signals used by the 1G network were analog, while 2G networks were digital. 2G capabilities were achieved by allowing multiple users on a single channel via multiplexing . During 2G, cellular phones were used for data along with voice.

Advantages of a 1G network :

1g definition (1) (1st Generation) A 1G denotes the first generation of something , such as 1G cellular was the first implementation of the cellular phone system. See cellular generations. 1. The first generation of wireless technology, which began in the late 1970s and lasted throughout the 1980s.