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AJAX 42840.106.BL3 Radio Signal Range Extender with Alarm Photo Verification Support, Black

SKU: 42840106BL3 MPN: 42840.106.BL3 AJAX
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Key Features

  • Extends wireless security coverage to eliminate blind spots and keep alarm and camera signals reliable across large properties
  • Supports alarm photo verification with MotionCam detectors so operators can confirm incidents faster and reduce false dispatches
  • Dual-channel communication (Ethernet + radio) with automatic failover ensures continuous monitoring and fast event delivery
  • Up to 38 hours of backup battery power to maintain protection during power outages and uninterrupted surveillance
  • Tamper-protected enclosure and radio frequency hopping enhance resilience against tampering and jamming attempts
  • Quick QR-code pairing and full remote configuration via Ajax apps simplify installation and ongoing management

Quick Specifications

Brand Name
AJAX
Manufacturer
AJAX SYSTEMS CH
Product Line
ReX 2
Product Name
Radio Signal Range Extender with Photo Verification Support
View Full Technical Specifications

Product Information Tabs

Overview

Keep your security network connected across blind spots and large facilities with the AJAX ReX 2 radio signal range extender. Designed as a control panel repeater for Ajax systems, ReX 2 strengthens wireless coverage and improves surveillance and monitoring reliability by relaying alarms, events and MotionCam photos to the hub via dual channels — Ethernet and radio — with automatic failover. The unit supports alarm photo verification, letting security teams or remote operators quickly validate incidents and reduce false alarms.

Built for indoor installation, ReX 2 provides up to 38 hours of backup battery life during outages and includes tamper protection and radio frequency hopping to resist jamming and tampering. It pairs quickly using a QR code and is configurable remotely through Ajax apps, making it ideal for commercial, retail, and multi-site deployments. Compatible with Hub 2 and Hub Hybrid models, ReX 2 integrates seamlessly into existing Ajax security setups.

Add the AJAX ReX 2 to your security architecture to extend range, improve monitoring accuracy and speed response — a smart upgrade for any surveillance or alarm system.

Features

  • Extends wireless security coverage to eliminate blind spots and keep alarm and camera signals reliable across large properties
  • Supports alarm photo verification with MotionCam detectors so operators can confirm incidents faster and reduce false dispatches
  • Dual-channel communication (Ethernet + radio) with automatic failover ensures continuous monitoring and fast event delivery
  • Up to 38 hours of backup battery power to maintain protection during power outages and uninterrupted surveillance
  • Tamper-protected enclosure and radio frequency hopping enhance resilience against tampering and jamming attempts
  • Quick QR-code pairing and full remote configuration via Ajax apps simplify installation and ongoing management
General Information
Brand Name AJAX
Manufacturer AJAX SYSTEMS CH
Product Line ReX 2
Product Name Radio Signal Range Extender with Photo Verification Support
Product Type Control Panel Repeater
Manufacturer Part Number 42840.106.BL3
Technical Information
Frequency Range 866 MHz to 866.50 MHz, 868 MHz to 868.60 MHz, 868.70 MHz to 869.20 MHz, 905 MHz to 926.50 MHz, 915.85 MHz to 926.50 MHz, 921 MHz to 922 MHz
Application/Usage Indoor
Cellular Generation 4G
Physical Characteristics
Color Black
Depth 6.4"
Width 6.4"
Height 1.4"
Weight 11.64 oz
Power Description
Power Source Power Supply
Input Voltage 120V AC, 12V, 230V AC, 6V
Warranty
Limited Warranty 24-Month
Wireless Specifications
Cellular Data Connectivity Technology LTE
Miscellaneous
Features Enclosure protected with the tamper
Compatibility Ajax Control Panels: Hub 2 (2G) Hub 2 (4G) Hub 2 Plus Hub Hybrid (2G) Hub Hybrid (4G)
Country of Origin UA