The Rumbler, Federal Signal’s “Intersection Clearing System,” provides an audible warning to drivers to help first responders safely reach events. The Rumbler has the ability to interact with 100/200 watt siren amplifiers and provide secondary, low frequency duplicate tones that encourage cars to clear the roads so police officers can get to where they need to be. The Rumbler was named one of Popular Mechanics’ top five next-gen police car technologies.

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