Downlink vs. Uplink — What's the Difference?

A transmission path for the communication of signals and data from a communications satellite or other space vehicle to the earth and back.

A communication channel through which a user transmits data to the internet.

(telecommunications) The transmission of a signal from a satellite to a receiving station on earth; or the means of this transmission.

A transmission path by which radio or other signals are sent to an aircraft, spacecraft, or a communications satellite.

(telecommunications) Transmission of data from a network, usually wireless, to the user.

To transmit (data) by uplink.

To transmit a signal from a satellite to a terrestrial receiving station.

The portion of a communications link used for the transmission of signals from an Earth terminal to a satellite or to an airborne platform. An uplink is the converse of a downlink. An uplink or downlink is distinguished from reverse link or forward link.

The communication path from a mobile device to a base station, a consumer to the network backbone, a client device to a server etc.

Data transmission from a data station to the headend.

To transmit a signal by means of an uplink.

A transmission from Earth to a spacecraft or the path of such a transmission