The Ajax DoubleButton Jeweller (Black) is a professional wireless hold-up and panic alarm device designed to instantly trigger confirmed emergency alerts within Ajax security systems. Using Jeweller encrypted two-way wireless communication, the button securely transmits alarm signals to the Ajax hub and monitoring services. The AJAX#30623 DoubleButton requires simultaneous pressing of two buttons, separated by a protective divider, to eliminate accidental activation. With IP55 protection, long battery life of up to 5 years, and reliable communication up to 300 metres, this device is ideal for discreet emergency signalling in retail environments, offices, banks, and other high-security workplaces.
What’s Included in the Box
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Ajax DoubleButton Jeweller (Black)
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CR2032 battery (pre-installed)
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Quick start guide

Main Features
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Wireless hold-up / panic alarm button
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Dual-button activation for confirmed emergency alerts
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Protection against accidental presses
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Jeweller encrypted wireless communication
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Wireless communication range up to 300 m
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LED indicator confirming alarm transmission
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IP55 protection rating against dust and water splashes
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Battery life up to 5 years
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Compact and lightweight portable design
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Compatible with Ajax hubs and range extenders
Detailed Specifications
Communication Technology
Jeweller communication technology
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Proprietary Ajax wireless protocol for commands and alarm signals
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Two-way communication between device and control panel
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Advanced sabotage protection
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Block encryption with dynamic key
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Instant notifications to users and monitoring systems
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Remote configuration through Ajax apps
Frequency Bands
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866.0–866.5 MHz
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868.0–868.6 MHz
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868.7–869.2 MHz
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905.0–926.5 MHz
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915.85–926.5 MHz
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921.0–922.0 MHz
(Varies depending on region)
Radio Performance
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Maximum effective radiated power: up to 20 mW ERP
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Radio signal modulation: GFSK
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Wireless range: up to 300 m in open space
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Frequency hopping protection against radio interference and jamming
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Encrypted wireless communication using dynamic key protection
Key Features and Operation
Button Configuration
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Number of buttons: 2
Accidental Press Protection
The device prevents accidental alarm activation through:
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Simultaneous pressing of both buttons
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Protective plastic divider between the buttons
Alarm Confirmation
Confirmed alarm events can be configured:
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Using one DoubleButton device, or
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Using multiple devices for confirmation
This ensures alarm signals are deliberate and verified before being transmitted.
LED Command Confirmation
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LED backlight indicates successful command delivery
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LED brightness adjustable through Ajax mobile applications
Alarm Scenario
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Alarm triggered by pressing both buttons simultaneously
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Automation device control is not supported
Sabotage Protection
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Device authentication to prevent spoofing attacks
Power Supply
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Battery: 1 × CR2032 (pre-installed)
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Battery manufacturer: Panasonic
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Estimated battery life: up to 5 years
Electrical Characteristics
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Operating voltage range: 1.8–3.3 V⎓
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Nominal voltage: 3 V⎓
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Quiescent current consumption: 0.54 μA
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Maximum current consumption: 34.8 mA
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Full battery capacity: 235 mAh
Battery Status Levels
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Low battery voltage: 2.2 V
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Recovery voltage: 2.3 V
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End-of-life voltage: 1.8 V
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End-of-life capacity: 40 mAh
Physical Specifications
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Dimensions: 47 × 35 × 16 mm
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Weight: 17 g
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Operating temperature range: −10 °C to +40 °C
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Operating humidity: up to 75%
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Protection rating: IP55
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Colour: Black
Warranty
The Ajax DoubleButton Jeweller (AJAX#30623) includes a 24-month manufacturer warranty, ensuring dependable performance and manufacturer-backed support.
Brand – Ajax Systems
Ajax Systems is a global leader in professional wireless security technologies. Known for combining advanced encrypted communication, modern industrial design, and reliable alarm solutions, Ajax devices are widely used in homes, commercial buildings, and high-security facilities worldwide.
SKU
AJAX#30623

Practical Use Scenarios
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Retail stores requiring discreet emergency hold-up alarms
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Banks and financial institutions needing secure panic signalling
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Reception desks and service counters requiring quick emergency alerts
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Warehouses and offices where staff may require emergency assistance
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Personal safety devices for employees working alone or in high-risk environments
Datasheets / Downloadable Resources
Excellence for the Australian and New Zealand Market
The AJAX#30623 DoubleButton Jeweller (Black) is designed for professional security installations throughout Australia and New Zealand, supporting regional wireless frequency requirements and industry standards. Devices supplied through authorised distributors ensure genuine Ajax hardware, manufacturer-backed warranties, and reliable support for installers and end users across the ANZ security market.
FAQs
What is the AJAX#30623 DoubleButton Jeweller used for?
The AJAX#30623 DoubleButton Jeweller is a wireless hold-up panic device used to trigger emergency alarms in Ajax security systems.
How does AJAX#30623 prevent accidental activation?
AJAX#30623 requires simultaneous pressing of two buttons and includes a protective divider to avoid accidental alarm triggers.
What wireless technology does AJAX#30623 use?
AJAX#30623 uses Ajax Jeweller wireless communication technology with encrypted two-way communication.
What is the wireless range of AJAX#30623?
The AJAX#30623 DoubleButton communicates with the Ajax hub at distances of up to 300 metres in open space.
Is AJAX#30623 water resistant?
Yes, AJAX#30623 has an IP55 protection rating, providing protection against dust and water splashes.
What battery does AJAX#30623 use?
AJAX#30623 uses a CR2032 battery, which is included pre-installed.
How long does the battery last in AJAX#30623?
The AJAX#30623 DoubleButton Jeweller has an estimated battery life of up to 5 years.
Can AJAX#30623 control smart automation devices?
No, AJAX#30623 is designed specifically for hold-up alarm activation and does not control automation devices.
What colour is AJAX#30623?
AJAX#30623 is the black version of the Ajax DoubleButton Jeweller.
Can AJAX#30623 be mounted on a wall or surface?
Yes, AJAX#30623 can be mounted using the optional Ajax Holder accessory for fixed installation.













