This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

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

n. 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.

n. By analogy and less formally, the communication path from a mobile device to a base station, a consumer to the network backbone, a client device to a server etc.

n. data transmission from a data station to the headend.

n. GSM and cellular networks, uplink is the transmission path from a mobile station to the base station (cell site).

v. To transmit a signal by means of an uplink.

n. a transmission from Earth to a spacecraft or the path of such a transmission

"Stuart explained on-air that "ultimate uplink" is designed to enhance interviews."

downlink   

uplinked    uplinks   

transmission   

downlink    shortwave    3-db    high-gain    500-mhz    double-parked    1-ghz    semitrailer    hyperwave    millimeter-wave