Key fob Ajax SpaceControl 000001157 panic button, white, remote control for alarm systems

Key fob Ajax SpaceControl (model 000001157) is a compact white remote control for Ajax alarm systems. It provides instant alarm activation via a panic button, allows arming and partial arming of the security system, and communicates with the hub at long range. The device supports two-way communication so the user receives confirmation that commands were delivered.

Advantages

The SpaceControl key fob works up to 1,300 meters from the Ajax Hub in open space and maintains reliable operation across several floors of an office building. It uses rolling code encryption and authentication to protect commands from interception and supports integration with third-party security systems through uartBridge and ocBridge Plus. The key fob includes a deactivatable panic button to prevent accidental alarms and offers up to three years of battery life on a pre-installed CR2032 cell.

Suitable for

• Remote arming and disarming of Ajax alarm systems
• Immediate alarm activation with a panic button
• Portable personal security for staff, managers, or homeowners
• Integration with third-party systems via uartBridge and ocBridge Plus

Key specifications

• Number of buttons: 4
• Alarm (panic) button: Yes, with deactivation option
• Communication protocol: Jeweller (868.0–868.6 MHz)
• Radio signal power: 20 mW
• Maximum range to hub: Up to 1,300 m (open area)
• Power supply: CR2032 battery, 3 V (pre-installed)
• Battery life: Up to 3 years
• Operating temperature: −20°C to +50°C
• Operating humidity: Up to 90%
• Dimensions: 65 × 37 × 10 mm

How to use

Press the appropriate buttons to arm, partially arm, or disarm the connected Ajax hub according to system configuration. Press and hold the panic button to trigger an immediate alarm; the panic button can be disabled in system settings to prevent accidental activation. The key fob pairs with the Ajax Hub using the Jeweller protocol—follow the hub’s pairing procedure and place the device within range for reliable registration. Replace the CR2032 battery when the system indicates low battery.

Usage recommendations

Keep the key fob within the specified operating temperature and humidity range and avoid exposure to strong electromagnetic interference. Test the panic button and arming/disarming functions periodically and replace the CR2032 battery promptly when low-battery notifications appear.