AJAX 42839.37.WH3 Radio Signal Range Extender, White

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.

• 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