Is 4G the same as GSM?

GSM belongs to the second-generation (2G) of mobile networks, UMTS belongs to the third-generation (3G) of mobile networks, and LTE belongs to the fourth-generation (4G) of mobile networks . Multiple cellular technologies enable 2G and 3G, but LTE is the only technology that enables 4G.13 Eyl 2019

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What frequencies are used for 4G?

Early cellular networks, including 1G, operated at a frequency of 850 MHz and 1900 MHz. Then, 2G and 3G networks operated at additional frequency bands and spectrum around 2100 MHz, and 4G LTE technology operated at additional frequency bands and spectrum around 600 MHz, 700 MHz, 1.7/2.1 GHz, 2.3 GHz, and 2.5 GHz .

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