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April 5, 2013
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All Ages Tone

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 old or your hearing has degraded.

The Spokesman-Review
 
April 5, 2013
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Under 30 tone

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.

The Spokesman-Review