Booster
A booster was a device that augmented the capability of another device.

In 2267, the auditory sensor of the  was augmented with a booster which increased its abilities by one to the fourth power. This enabled it to hear every sound on board the ship, including the heartbeats of a skeleton crew, the court martial panel, and a presumed-dead Benjamin Finney. ()

When the Arcos was found on the surface of Turkana IV, Geordi La Forge suggested to use the ship's sensing device and install a booster. That would relay the signals to the  and allow the crew to track the life signs on the planet. ()

In 2371, Harry Kim modified the subspace communications band of the  to use the microprobe inside the micro-wormhole as a booster. ()

See also 
 Booster rocket
 Signal booster
Communications technology
Sensor technology