What is meant by uplink and downlink frequency?

What is uplink and downlink in mobile communications? An uplink is a signal leaving your mobile phone and transmitting it to a cell tower. A downlink is a signal transmitting to your mobile phone from the cell tower .

Uplink frequency is the frequency at which, the first earth station is communicating with satellite . The satellite transponder converts this signal into another frequency and sends it down to the second earth station. This frequency is called as 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 .

Uplink and downlink, also called upload and download, refers to the two-way communication between a cell tower and your phone . Downlink definition – signal coming from a cell tower to your cellular device. Uplink definition – signal leaving your cellular device and going back to a cell tower.