C-band

C-band (Comprise) is a portion of the microwave band ranging from 4-8 GHz, and a wavelength of around 5 cm. The C-band is commonly used by communications satellites. Downlink frequencies (space to earth) are around 4 GHz and uplink frequencies (earth tot space) around 6 GHz.

The band is also used for radar, including weather radar, and Radio LAN in the 5 GHz range.