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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2.4 GHz Overview It’s comparatively slower than a 5G Wi-Fi, but can be used to cover a large area. Basically, if you want to use the Wi-Fi in a wider area and have too many devices that utilize the 2.4GHz radio frequency, choosing the 2G band will be the right choice.
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