LRAD is Law Enforcement's Communication System of Choice. 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 2,000 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 (less)