LRAD is the global leader in acoustic hailing devices (AHDs) and advanced mass notification systems. Featuring optimized driver and waveguide technology, LRAD systems broadcast audible, voice messages and attention-commanding alert tones with exceptional clarity from close range out to 3,500 meters. LRAD ensures warnings, commands, and notifications are heard and understood above background noise, and inside vehicles and buildings. From everyday duties to elevated risk operations, LRAD protects police officers and safeguards the public. LRAD is law enforcement's communication system of choice. (less)