AJAX REX Range Extender- Black

AJAX REX Range Extender- Black


ReX is the radio signal range extender that boosts the range of all Ajax security system devices and manages their communication with the hub. The intelligent radio signal range extender enables users to place Ajax devices at a considerable distance from the hub for protecting multi-story offices, detached buildings, and even production plants. Connecting 5 ReXs to the security system extends its coverage to up to 35 km².


Complete set
Intelligent radio signal range extender ReX
SmartBracket mounting panel
Power cable
Installation kit
Quick Start Guide
Within 24 months from the date of sale
330 g
163 × 163 × 36 mm
Protection against fraud
Jamming detection
Permissible humidity
Up to 75%
Operating temperature range
From −10°С to +40°С
Jeweller radio technology
Communication range with detectors — up to 1,800 m in an open space
Two-way communication between devices
Operating frequencies — 868.0 – 868.6 MHz
Self-adjusting RF output power — up to 25 mW
Block encryption based on AES algorithm
Detector polling period — 12−300 s
Frequency hopping

Learn more about Jeweller

Power supply
110-240 V from mains or 12 V when using 12V PSU for Hub/Hub Plus/ReX
Built-in back-up battery: Li-Ion 2 А·h
Up to 35 hours of offline operation
Operating system
Max number of connected ReX per hub*
Hub — 1
Hub Plus — 5
Hub 2 — 5

*ReX can only be directly connected to the hub. ReX cannot be connected to another ReX

Maximum connected devices (in a system with one range extender)
Hub, Hub 2 — up to 99
Hub Plus — up to 149
Alarm signal delivery time
0.3 seconds
Operates only with HubHub Plus and Hub 2 featuring OS Malevich 2.8 and later

Doesn’t support MotionCam

Installation method
Device type
Radio channel range extender

Additional information


Extends Ajax coverage
Reinforces the system
Transmits alarms in 0.3 seconds
Communicates at a distance of up to 1800 m
Operates up to 35 hours on the back-up battery
Notifies of jamming and tampering with the device body


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