AJAX 42839.37.WH3 Radio Signal Range Extender, White
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Key Features
- Extends Ajax hub radio coverage up to 2x to eliminate blind spots and improve monitoring reliability
- Frequency-hopping anti-jamming keeps communications secure and resilient in high-interference environments
- Up to 35 hours of battery backup protects connectivity during power outages for uninterrupted surveillance
- Built-in tamper alarm and lid protection reduce risk of sabotage and provide trusted physical security
- Quick QR-code pairing and remote setup via Ajax apps speeds deployment and lowers installation time
- Over-the-air updates ensure the repeater stays current with security patches and new features
Quick Specifications
- Product Model
- 42839.37.WH3
- Brand Name
- AJAX
- Product Line
- Baseline, Intrusion protection
- Product Name
- ReX Wireless Signal Booster
Explore the details
Product information
42839.37.WH3
Overview
Designed for commercial and enterprise security installations, the AJAX 42839.37.WH3 ReX Radio Signal Range Extender instantly strengthens an Ajax hub-based system by expanding radio coverage up to twofold. As a dedicated indoor repeater, this AJAX range extender reduces monitoring blind spots, ensuring consistent connectivity for intrusion detection, access control and surveillance cameras. Built with frequency-hopping anti-jamming, ReX maintains reliable communications even in congested RF environments, while a built-in tamper alarm protects against physical interference. The unit supports multiple regional frequency bands and provides up to 35 hours of operation on its internal battery if external power is lost—keeping your security network online during outages. Installers benefit from fast QR-code pairing, remote configuration through Ajax apps and seamless over-the-air updates that simplify ongoing maintenance. Compact and unobtrusive in white finish, the ReX repeater is ideal for offices, warehouses and retail sites that need robust, scalable wireless security coverage. Strengthen your security and surveillance network—deploy the AJAX ReX Radio Signal Range Extender to improve monitoring reliability and simplify system management.
Features
- Extends Ajax hub radio coverage up to 2x to eliminate blind spots and improve monitoring reliability
- Frequency-hopping anti-jamming keeps communications secure and resilient in high-interference environments
- Up to 35 hours of battery backup protects connectivity during power outages for uninterrupted surveillance
- Built-in tamper alarm and lid protection reduce risk of sabotage and provide trusted physical security
- Quick QR-code pairing and remote setup via Ajax apps speeds deployment and lowers installation time
- Over-the-air updates ensure the repeater stays current with security patches and new features
| General Information | |
|---|---|
| Brand Name | AJAX |
| Manufacturer | AJAX SYSTEMS CH |
| Product Line | Baseline, Intrusion protection |
| Product Name | ReX Wireless Signal Booster |
| Product Type | Control Panel Repeater |
| Application/Usage | Indoor |
| Country of Origin | UA |
| Manufacturer Part Number | 42839.37.WH3 |
| Physical Characteristics | |
| Color | White |
| Depth | 6.40" |
| Width | 6.40" |
| Height | 1.40" |
| Weight | 11.64oz |
| Power Description | |
| Power Source | AC Power |
| Input Voltage | 120V AC, 230V AC |
| Warranty | |
| Limited Warranty | 2-Year |
| Miscellaneous | |
| Features | Tampering alarm for lid protection |
| Compatibility | Ajax Hubs |
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- SKU:
- 4283937WH3
- Manufacturer part:
- 42839.37.WH3
How do I confirm compatibility?
Check the specifications and manufacturer documents for your existing system. Send us your model numbers and project requirements if you need help selecting equipment or accessories.
Ask a product specialistWhen will this item ship?
Availability is shown above. Special-order items and project quantities may need additional lead time. Contact us to confirm a delivery date before scheduling installation.
Shipping, freight and delivery detailsWhat should I know about returns?
Returns require an approved RMA. Consult the linked return policy for deadlines and eligibility. For standard non-defective returns, eligible factory-sealed items carry a 15% restocking fee and customer-paid return shipping; open-box and used items are refused. Defective and DOA claims follow the policy's separate terms. Special orders and other exclusions are final sale.
Read return eligibility and exclusionsAJAX 42839.37.WH3 Radio Signal Range Extender, White
42839.37.WH3