what frequency is bluetooth

Bluetooth operates within the 2.4 GHz ISM (Industrial, Scientific, Medical) band. This frequency range spans from 2.400 to 2.4835 gigahertz (GHz) and is divided into multiple channels, each with a bandwidth of 1 megahertz (MHz) . The frequency range used by Bluetooth expands to include a wider spectrum within the 2.4 GHz ISM band starting from Bluetooth 4.0 and above, typically operating within the 2.402 to 2.480 gigahertz (GHz) range.