The main difference between the two mobile telephone systems (1G and 2G), is that the radio signals used by 1G network are analog, while 2G networks are digital . Main motive of this generation was to provide secure and reliable communication channel.
Read moreWhat does 1G mean in computer?
(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. (2) (1 Gigabit) See Gigabit Ethernet.
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