Downlink

1. In radio communications, a downlink is the link from a communications relay satellite to a ground station.

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2. Pertaining to GSM and Cellular Networks downlink is the transmission path from a Base Station (Cell Site) to the Mobile Station (Cell Phone).

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See also uplink, forward link and reverse link.

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Radio: Radio is the wireless transmission of signals, by modulation of electromagnetic waves with frequencies below those of light....

Uplink: This article deals with Uplink in the telecommunications terminology. For the Uplink game, see Uplink (computer game)....

Forward link: In radio communications, a forward link is the link from a fixed location (e.g., a base station) to a mobile user. If the link includes a communications relay satellite, the forward link will consist of both an uplink (base station to satellite) and a downlink (satellite to mobile user)....