1G, 2G, 3G, 4G, & 5G Explained - Lifewire
https://www.lifewire.com/1g-vs-2g-vs-2-5g-vs-3g-vs-4g-578681
WEBUpdated on September 3, 2021. Reviewed by. Jon Fisher. Identifying the strengths of the underlying technology of a cell phone is simple as long as you understand the meaning of 1G, 2G, 3G, 4G, and 5G. 1G refers to the first generation of wireless cellular technology, 2G refers to the second generation of technology, and so on.
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