AJAX 42838.37.BL3 Radio Signal Range Extender, Black

Designed to eliminate coverage gaps and strengthen on-site security, the AJAX ReX radio signal range extender delivers reliable, enterprise-grade signal boosting for Ajax hubs. This compact control panel repeater doubles radio communication range up to 2-fold, ensuring alarm sensors, detectors and surveillance devices remain connected across larger properties and multi-room installations. With a 35-hour internal battery for backup power and frequency-hopping anti-jamming protection, ReX keeps monitoring and alarm delivery operational even during power interruptions or interference. Installation is quick — pair via QR code and manage remotely through Ajax apps — making it ideal for installers and facility managers who need fast, predictable deployment. Built-in tamper detection and over-the-air firmware updates maintain system integrity and long-term compatibility with security and surveillance networks. Perfect for retail, office, and residential security systems where consistent receiver/repeater performance is critical. Add the AJAX ReX repeater to your Ajax hub setup to expand coverage and improve overall system reliability.

• Extends Ajax hub radio coverage up to 2x to eliminate blind spots across larger homes or commercial sites
• Maintains continuous monitoring during outages with up to 35 hours of battery backup
• Frequency-hopping anti-jamming technology for resilient, tamper-resistant communications
• Quick QR-code pairing and remote setup via Ajax apps for fast deployment and minimal downtime
• Built-in tamper alarm protects the device and preserves system integrity
• Over-the-air updates ensure the repeater stays secure and compatible with evolving security networks