How does 2G technology work?

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.

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What do you understand by 2.5G How is it different from 2G and 3G technologies?

Advanced version are 2.5G and 2.75G. … Difference between 2G and 3G Cellular Network : 2G3GIt is less secure than 3G.Highly secure as 3G network permits validation measures.Video calls cannot be made.Video calls can be made.Downloading and uploading speed is upto 236 kbps.Downloading speed is upto 21 Mbps and uploading speed is upto 5 Mbps.Difference between 2G and 3G Cellular Network – GeeksforGeeks www.geeksforgeeks.org › difference-between-2g-and-3g-cellular-network

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