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Difference between 1G and 2G

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  • Last Updated : 09 Jun, 2022
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1G stands for first-generation and 2G stands for second-generation are the 2 generations of mobile phones. 1G is the 1st generation of mobile phones that brought 1st wireless communication to the United States. 1G uses associate degree analog signal for communications and uses FDMA for channelization. 1G is employed for spoken language, information transmission service wasn’t provided by 1G. 2G was medical care of 1G i.e. it uses the digital signal for communication. 2G uses TDMA and CDMA for dividing the channels, and it provides voice and digital communication services. 
 
Let’s see the difference between 1G and 2G which are given below:

S.NO1G2G
1.1G stands for first-generation.While 2G stands for the second generation.
2.1G uses circuit switching.While 2G circuit switching as well as packet switching.
3.In 1G, the internet is not provided.While in 2G, the internet is provided.
4.The voice signal of 1G is an analog signal.While the voice signal of 2G is a digital signal.
5.The data services in 1G are not provided.While in 2G, data services are provided except for complex data(videos).
6.The channelization protocol in 1G is FDMA.While the channelization protocol in 2G is TDMA and CDMA.
7.1G was launched in the year 1980.2G was launched in the year 1993.
8.The drawback of 1G is limited channel capacity, large phone size, low voice quality, and low battery life.The drawback of 2G is the lack of network ranges and slow data rate.
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