SOLAR SYSTEM

Detailed explanation-1: -The lowest frequency used in satellite communications is GHz.

Detailed explanation-2: -About 2.2 GHz for downlinks and 2 GHz for uplinks for the satellite component of IMT2000 (International Mobile Telecommunications). About 2.6 GHz for uplinks and 2.5 GHz for downlinks. Frequency bands have also been allocated at higher frequencies such as Ka-band.

Detailed explanation-3: -A 6/4-GHz small-capacity satellite communications system (SC-31 system) is described that minimizes interference with terrestrial radio-relay networks operating in the 6-GHz band. An outline is given of the system and the channel control technique.

Detailed explanation-4: -It operates at either the 900 MHz or 1800 MHz frequency band.