Ultrasonic scramblers were devices that could produce a high-pitched sound that was inaudible to Humanoids but could be heard by animals.
Ad blocker interference detected!
Wikia is a free-to-use site that makes money from advertising. We have a modified experience for viewers using ad blockers
Wikia is not accessible if you’ve made further modifications. Remove the custom ad blocker rule(s) and the page will load as expected.