All-O-Matic MQ-4AE Barrier Arm Extension - 49 in keypad-mount The DoorKing 1520-042 is a If your SL920 operator GL1-FL push-bar Select Model:Pump Motor Assembly with Enclosure - 115V

The DoorKing 1520-042 is a replacement memory chip designed to store up to 1000 access credentials within compatible DoorKing systems

Its user-friendly design includes real-time diagnostics for proactive system management

5-foot coaxial antenna for reliable signal reception up to 500 feet in optimal conditions

providing a reliable method for managing entry without the hassle of on-site programming

Type: Timing belt

All O Matic MQ 4AE Barrier Arm Extension 49 in keypad mount The DoorKing 1520 042 is a If your SL920 operator GL1 FL push bar Select Model:Pump Motor Assembly with Enclosure 115V The DoorKing 1520 042 is a replacement memory chip designed to store up to 1000 access credentials within compatible DoorKing systems Its user friendly design includes real time diagnostics for proactive system management