The Hummingbird GPS Speed Switch including bulkhead mount antenna is a calibration free speed based switch which provides a warning or can take action when a vehicle exceeds a given speed.
• Ideally suited to providing a warning or taking action when a vehicle exceeds a given speed. • No connection to vehicle electrics • Voltage free relay output • Adjustable speed limit • km/h or mph • External GPS & GLONASS antenna • Multi voltage 12/24V • Installer settable speed threshold