


AJAX
AJAX HomeSiren Jeweller Wireless Indoor Siren
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Instant Intrusion Alerts with the AJAX HomeSiren Jeweller
The AJAX HomeSiren Jeweller is a compact and powerful wireless indoor siren designed to be an essential component of your AJAX security system. In the event of a breach, it emits a loud, adjustable alarm to deter intruders and alert occupants. Its seamless integration with the AJAX ecosystem ensures reliable and instantaneous communication during an emergency. The device operates on the proprietary Jeweller radio protocol, which provides a secure and encrypted two-way communication channel with the hub at a distance of up to 2,000 meters in an open space. This advanced technology also protects against jamming and spoofing attempts, ensuring the integrity of your security system.
Customizable and User-Friendly Operation
Tailor the HomeSiren to your specific needs with an adjustable sound level, ranging from 81 to 105 dB at a distance of 1 meter. The alarm duration can also be configured from 3 to 180 seconds through the intuitive Ajax mobile application. Beyond its primary alarm function, the HomeSiren serves as a clear system status indicator with its built-in LED. It can also notify you of door openings when the system is disarmed and indicate entry/exit delays. For enhanced visibility, there is an option to connect an external LED indicator. Installation is straightforward with the included SmartBracket, and the pre-installed batteries offer a remarkable lifespan of up to 5 years, minimizing maintenance.
Robust and Reliable Security
The AJAX HomeSiren Jeweller is built with security in mind. It features tamper protection that will trigger an alarm if the device is opened or removed from its mounting. The system regularly polls the device to ensure it is online and functioning correctly. Compatible with all Ajax hubs and range extenders, this indoor siren is a versatile and indispensable addition to your home or business security setup.
Technical Specifications
| Classification | Radio channel security sounder |
| Siren Type | Wireless |
| Installation Method | Indoors |
| Compatibility | Operates with all Ajax hubs and range extenders |
| Notification Types | Acoustic and LED |
| Sound Level | Adjustable, 81 - 105 dB at a distance of 1 m |
| Alarm Duration | Adjustable, 3 - 180 s |
| Armed/Disarmed Status Indication | Yes |
| Power Supply | 2 x CR123A batteries, 3V (pre-installed) |
| Battery Life | Up to 5 years |
| Jeweller Radio Technology | Communication range with central unit — up to 2,000 m in an open space |
| Two-way communication between devices | |
| Operating frequencies — 868.0 - 868.6 MHz | |
| Tamper Protection | Jamming detection and tamper-resistant |
| External LED Connector | Yes |
| Operating Temperature Range | -10°C to +40°C |
| Operating Humidity | Up to 75% |
| Protection Class | IP50 |
| Dimensions | 75 x 76 x 27 mm |
| Weight | 97 g |
| Security Grade | Grade 2 |
| Complete Set | HomeSiren Jeweller, SmartBracket mounting panel, 2 x CR123A batteries (pre-installed), Connector for LED indicator, Installation kit, Quick Start Guide |
Manufacturer Technical Data
| Product Spec Sheet |
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Shipping & Returns
- R120 Delivery Fee
- 30 Day Returns
- 24 Hour Live Chat Support
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Frequently Asked Questions
Answers to frequently asked questions
Does NexGen Computing conduct regular security audits?
Yes, we regularly conduct security audits and vulnerability assessments to identify and address potential security weaknesses, maintaining a high level of security and compliance with industry standards.
How can I stay informed about policy changes?
We reserve the right to update or modify our policies at any time. Changes will be posted on our website, and your continued use of our products and services constitutes acceptance of any changes.
Where can I find more information or ask additional questions?
For more information or assistance, please visit our website at www.nexgencomputing.co.za or contact us at support@nexgencomputing.co.za.
How does NexGen Computing handle shipping and delivery?
Orders are processed promptly, with delivery details provided at checkout. Tracking information will be emailed once your order ships.
What is the return and refund policy?
Refunds are typically issued for defective or incorrect items within 14 days of receipt. For detailed information, please refer to our Refund Policy.
Is my payment information secure?
Yes, all payments made on our site are processed securely on our domain using industry-standard security measures. Sensitive data, such as credit card numbers, are processed by PCI-compliant payment processors like Yoco, Paystack, and Peach Payments.





