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Key Features
What's Included
- Frequency hopping against ja mming
- Up to 35 hours on the back-up battery incase of external power loss
- Fast connection with security system via QR code
Key Features
What's Included
- Frequency hopping against ja mming
- Up to 35 hours on the back-up battery incase of external power loss
- Fast connection with security system via QR code
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Become an ADI CustomerKey Features
What's Included
- Frequency hopping against ja mming
- Up to 35 hours on the back-up battery incase of external power loss
- Fast connection with security system via QR code

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Overview
Specifications
Documents
Product Overview
ReX is a range extender of communication signals that expands the radio communication range of Ajax devices fitted with a hub up to 2-fold. Developed only for indoor use. It has a built-in tamper resistance and is equipped with a battery that provides up to 35 hours of operation without external power.
Main Features
- Frequency hopping against ja mming
- Up to 35 hours on the back-up battery incase of external power loss
- Fast connection with security system via QR code
- Tampering alarm for lid protection
- Over-the-air updates
- Remote control and setup via an Ajax apps
General Information
Name: AJAX 42838.37.BL3 Radio Signal Range Extender, Black
Category: AJAX, Intrusion, Alarm Control Panels & Keypads, Control Panel Repeaters
UPC Code: 850042389201
Country of Origin: Ukraine. Country of origin is subject to change.
Specifications
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ADI Part Number XY-REXBLK Brand Name AJAX Manufacturer AJAX SYSTEMS CH Manufacturer Part Number 42838.37.BL3 Product Line ReX Product Name ReX Wireless Signal Booster Product Type Wireless Signal Booster Weight 11.64 oz
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Frequency Range 915.85 MHz to 926.50 MHz|868.70 MHz to 869.20 MHz|868 MHz to 868.60 MHz|905 MHz to 926.50 MHz|866 MHz to 866.50 MHz|921 MHz to 922 MHz
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Application/Usage Indoor Color Black Depth 6.4" Height 1.4" Width 6.4"
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Input Voltage 120V AC, 230V AC Power Source Power Supply
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Compatibility Ajax Hubs Country of Origin UA Features Tampering alarm for lid protection Package Contents - ReX Wireless Signal Booster
- SmartBracket Mounting Panel
- Power Supply Cable
- Installation Kit
- Quick Start Guide