NATIONAL HARBOR, Maryland—Anti-drone technology has been high on the shopping list of public safety and military organizations at least since a drunken federal employee crashed a drone onto the White House lawn. Two companies on hand at the Navy League Sea Air Space Exposition here this week had two slightly different approaches to the problem. One anti-drone device has already been deployed in the hands of federal law enforcement and the military, and a "street legal" version may be coming soon.
The drone "killer" getting the most attention at Sea Air Space was the DroneDefender, a system developed by researchers at the nonprofit research and development organization Battelle. DroneDefender is a two-pronged drone jammer—it can disrupt command-and-control signals from a remote operator or disrupt automatic GPS or GLONASS guidance, depending on which of the devices' two triggers is pulled.
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