1G and 2G are two generations of mobile phones. 1G stands for first generation and 2G stands for second generation.
Following are the important differences between 1G and 2G.
|1||Definition||1G stands for First Generation. It brought wireless communication in US.||2G stands for Second Generation.It brought voice and digital communication in US.|
|2||Switching||1G uses circuit switching.||2G uses both circuit switching as well as packet switching.|
|3||Internet||In 1G, internet is not supported.||In 2G, internet is supported.|
|4||Voice Signal Type||In 1G, voice signal type is analog signal.||In 2G, voice signal type is digital signal.|
|5||Data Services||In 1G, data services are not provided.||In 2G, data services are provided except videos.|
|6||Channelization protocol||Channelization protocol is FDMA.||Channelization protocols are CDMA and TDMA.|
|7||Transactions||Server handles transactions in a very quicker way.||Server is slow comparatively.|