Spire Beacon

Spire Beacons are a Chimeran device that alerts all Chimeran forces if there has been a spire breach.

Resistance: Burning Skies
While on Ellis Island, Tom Riley and Ellie Martinez discover a spire beacon. Before Riley activates it, Ellie stops him. Seconds later however, Ellis accidentally activates a trip wire, activating the beacon. Ellie then decides to destroy it.