SOS 12 Siren-Operated Emergency Access Sensor

Siren-Activated Emergency Gate Access Sensor for First Responders The SOS 12 Siren-Operated Sensor is a trusted emergency access solution that opens gates automatically in response to a first responder’s siren. Widely used and often mandated nationwide, this fail-safe sensor listens for the “YELP” siren tone and triggers gate access within seconds—without requiring any radio signals, remotes, or prior programming. With adjustable sensitivity, programmable latch times, and dual reset buttons, the SOS 12 delivers reliable and code-compliant access control for gated communities, commercial properties, fire departments, airports, and industrial facilities. Key Features Siren-activated gate access triggered by standard emergency “YELP” siren within 3 seconds Adjustable sensitivity range: 80 to 125 dB via onboard potentiometer Programmable latch times: 5 minutes, 15 minutes, 1 hour, or latched until reset Dual reset buttons: External and internal for convenient reactivation Power-effic