What is the Mosquito Teen Repeller?
While the concept of using ultrasonic frequencies to drive away unwanted pests is not exactly new, the new gadget known as a Mosquito Teen Repeller has definitely changed the target demographic from rodents and insects to loitering teenagers. The device delivers a high-pitched noise which many audiologists suggest can only be heard by humans under the age of 20, although some older adults claim they can also hear the annoying sound. Teens loitering in store parking lots or common areas in shopping malls can become a serious liability for store owners and a security threat to customers. Discouraging teenagers from congregating, however, is generally easier said than done, and many efforts to disperse crowds actually create more problems than they solve. This is the situation which led to the development of the Mosquito Teen Repeller. A store owner in England agreed to test the device after plans to pipe classical music over a loudspeaker fell through. The initial sound generated by a Mo
