What are the frequencies of 2G 3G and 4G networks?

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.

Currently in INDIA, 4G LTE band-40 having 2300 to 2400 MHz (TD-LTE) frequency range is active (online) and offered by the operators in indian territory. The other LTE band in 1800 MHz (FDD-LTE) frequency is also auctioned by the INDIA government.

General Grade BandFrequency (MHz)Wavelength61.800–1.825160 m73.500–3.70080 m73.890–3.90080 m77.000–7.20040 mList of amateur radio frequency bands in India – Wikipedia en.wikipedia.org › wiki › List_of_amateur_radio_frequency_bands_in_India