Ajax DoorProtect (Jeweller) – Wireless Opening & Magnetic Contact Detector (White, 9NA)

Product Overview

The Ajax DoorProtect  is a miniature wireless magnetic opening detector designed to secure doors, windows, skylights, and gates within the Ajax security ecosystem. Operating with a high-end British reed switch capable of over 2,000,000 activations, it instantly detects the initial opening of an entryway and transmits an encrypted alarm to the Ajax Hub in less than 0.15 seconds.

Communicating via the proprietary Jeweller wireless radio protocol, it provides up to 1,200 meters of line-of-sight range. It comes equipped with two interchangeable magnets (small and big) for flexible frame placement, an external wired contact input terminal for integrating third-party NC detectors, and a pre-installed CR123A battery delivering up to 7 years of autonomous operation in a clean white finish.

Key System Features & Functionality

• Instant Opening Detection: High-reliability reed switch triggers immediate alarms when the magnetic contact breaks by as little as 1 cm (small magnet) or 2 cm (big magnet).

• Jeweller Wireless Technology: Two-way encrypted communication spanning up to 1,200 meters (3,900 ft) with automatic frequency hopping and jamming detection.

• External Wired Contact Input: Includes an onboard terminal block to wire third-party NC (normally closed) contact sensors or roller shutter detectors.

• Up to 7 Years Battery Life: Powered by a pre-installed CR123A lithium battery with intelligent energy-saving algorithms.

• Anti-Tamper & Jamming Protection: Grade 2 certified anti-sabotage features including tamper buttons that detect dismantling or prying off the mounting surface.

• SmartBracket Installation: Quick mounting using the included SmartBracket panels without disassembling the sensor enclosure.