All Ages Tone
April 5, 2013 Click the arrow in the frame above. This approximates what people under 30 hear coming from the Mosquito. If you don’t hear the Under-30 tone below, that’s because you’re too …
Under 30 tone
April 5, 2013 Downtown buildings now sport the Mosquito, an anti-loitering device. It emits a tone like this one. Generally, this irritating tone is audible to people under 30.