Ajax ReX 2 White SMART
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Ajax ReX 2 White SMART
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- Specialist since 2007. Member of Thuiswinkel Waarborg

Specifications: Ajax ReX 2 White SMART
| SKU | 7179 |
|---|

The white Ajax ReX 2 is a wireless signal booster (repeater) that significantly extends the range of an Ajax SMART alarm system. This repeater ensures that sensors and accessories continue to communicate reliably with the Ajax Hub, even over greater distances.
The ReX 2 is intended for situations where the standard range of the hub is not sufficient, such as larger homes, commercial buildings, multi-story buildings or detached outbuildings such as garages and storage spaces.

When do you use the Ajax ReX 2?
The Ajax ReX 2 is used when sensors need to be placed outside the direct range of the Ajax Hub. This is often the case with large buildings, thick walls, or when you want to secure multiple buildings with a single alarm system.
Adding one or more ReX 2 units can significantly increase the total range. Combined with multiple signal boosters, the range can reach up to approximately 16 kilometers in open space.
Reliable and secure wireless communication
The ReX 2 communicates with the Ajax Hub and connected devices via the encrypted Jeweller protocol. The connection is continuously monitored, so any malfunctions, signal loss, or sabotage are immediately visible within the system.
This ensures that the reliability of alarm notifications is maintained, even over longer distances or more complex installations.
Typical applications
The Ajax ReX 2 is widely used in large homes, offices, industrial buildings, and on sites where multiple buildings need to be secured. The ReX 2 also offers a practical solution for expanding the alarm system in detached garages, sheds, or workshops.
Because the signal booster works wirelessly, it can be flexibly placed in a location where the signal can be optimally forwarded.
Easy installation and management via the Ajax app
The Ajax ReX 2 is installed via the Ajax app. You connect the repeater to the hub and then assign sensors that communicate through the ReX 2. The app provides clear insight into which devices are connected.
This makes the system clear and easy to adapt when the situation or layout changes.
Key Features
– Wireless signal booster for Ajax alarm systems
– Significantly extends the range of sensors and accessories
– Suitable for large buildings and outbuildings
– Secure communication via Jeweller protocol
– Sabotage and fault detection
– Fully manageable via the Ajax app
Technical specifications
– Type: wireless signal booster (repeater)
– Compatibility: Ajax Hub 2, Hub 2 Plus and Hub Hybrid (depending on configuration)
– Communication range: up to approximately 1700 meters per segment (open field)
– Maximum expandable range: up to approximately 16 km with multiple units
– Frequency: 868.0 – 868.6 MHz
– Power: AC adapter
– Color: white
Package contents
– Ajax ReX 2 – white
– Power adapter
- Mounting material
- Manual
Buy Ajax ReX 2 at Sitcon
Sitcon has specialized in professional security solutions since 2007. All Ajax products are internally tested for quality, reliability, and compatibility. You can find advice and support at our stores in Nieuwegein and Maaseik. Sitcon is a member of Thuiswinkel Waarborg.
FAQ – Frequently Asked Questions about Ajax ReX 2
When do I need an Ajax ReX 2?
You need a ReX 2 when sensors are located outside the range of the Ajax Hub, for example in large houses, multi-story houses or detached outbuildings.
What is the difference between the Ajax ReX and ReX 2?
The ReX 2 is designed for larger and more complex installations, offering extra stability and range. This makes it better suited for extensive alarm systems with numerous sensors.
Can I use multiple ReX 2 signal boosters?
Yes, you can use multiple ReX 2 units within a single Ajax alarm system. This significantly increases the total range, depending on the location and environment.
Is the installation of the Ajax ReX 2 complicated?
No, installation is done through the Ajax app and is straightforward. After connecting to the hub, you can easily control which sensors communicate with the ReX 2.
Do alarm notifications remain reliable with a signal booster?
Yes, the ReX 2 uses encrypted communication and continuous monitoring. This ensures reliable notifications and immediate detection of malfunctions or sabotage.
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