The radio spectrum includes frequencies between 3 kilohertz (kHz) and 300 gigahertz (GHz). Early cellular networks, including 1G, operated at a frequency of 850 MHz and 1900 MHz.
The radio spectrum includes frequencies between 3 kilohertz (kHz) and 300 gigahertz (GHz). Early cellular networks, including 1G, operated at a frequency of 850 MHz and 1900 MHz.