UPLINK FREQUENCY:

• The communication between earth station transmitter towards satellite is known as uplink frequency.
• Uplink of satellite is the frequency at which the earth station is transmitting the signal and satellite receiving it.
• Uplink frequency range = 5.9 GHz to 6.4GHz

DOWNLINK FREQUENCY:

• The communication between satellite towards earth station receiver is known as downlink frequency.
• Downlink frequency of satellite is the frequency at which the satellite is transmitting the signal and earth station receiving it.
• Downlink frequency range = 3.7 GHz to 4.2 GHz.