Hunting sensor
A hunting sensor was a supposed technology developed by the Hirogen, a sensory system used by the Hirogen to help track their prey.

Hunting sensors, along with Borg interquadrantal warp drives and Vidiian phage torpedoes, was among the technologies which Reginald Barclay claimed the  had at its disposal in order to trick the Ferengi into closing the geodesic fold in 2377. ()

Fictional weapons
Sensor technology