The Ajax DoorProtect Plus U Jeweller White is a professional wireless door and window detector that combines magnetic opening detection with integrated shock and tilt sensors for enhanced perimeter protection. Featuring encrypted Jeweller communication, support for an external wired detector and up to 5 years of battery life, it is designed for reliable indoor security in compatible Ajax systems.
Ajax DoorProtect Plus U Jeweller White Wireless Door & Window Detector
The Ajax DoorProtect Plus U Jeweller is an advanced wireless opening detector designed to provide comprehensive protection for doors, windows, skylights and other access points. In addition to standard magnetic opening detection, it incorporates shock and tilt sensors, allowing it to detect impact, vibration and changes in angle before an intruder fully gains entry.
Designed for the Ajax Baseline product range, the detector communicates securely with compatible Ajax hubs using Jeweller encrypted wireless technology, providing fast alarm transmission, dependable communication and simple wireless installation.
Opening, Shock and Tilt Detection in One Device
Unlike a standard magnetic contact, the DoorProtect Plus U combines three detection methods within a single compact device.
It can detect:
- Door or window opening using dual reed switches
- Shock and vibration caused by attempted forced entry
- Changes in tilt angle, making it suitable for roof windows, skylights and similar installations
This combination provides earlier warning of intrusion attempts and expands the protection offered by traditional opening detectors.
Configurable Shock and Tilt Sensors
The integrated accelerometer continuously monitors movement and vibration.
Shock and tilt sensitivity can be configured through the Ajax application, allowing installers to optimise detection according to the installation environment while helping to reduce unnecessary alarms.
Reliable Jeweller Wireless Communication
DoorProtect Plus U communicates using Ajax Jeweller technology, providing secure two-way communication between the detector and the hub.
Confirmed communication features include:
- Encrypted data transmission
- Device authentication
- Frequency hopping
- Regular polling
- Communication loss detection
- Wireless range up to 1,200 metres in open space
Actual communication distance depends on the installation environment and building construction.
Support for External Wired Detection
The detector includes an input for connecting a compatible normally closed (NC) wired detector, allowing additional wired detection devices to be incorporated into the Ajax security system where required.
This provides increased flexibility for professional security installations.
Long Battery Life
Powered by a pre-installed CR123A lithium battery, the detector delivers up to 5 years of operation under normal conditions.
Low battery notifications are provided through the Ajax system, helping simplify ongoing maintenance.
Quick Professional Installation
Installation is straightforward using the supplied SmartBracket mounting panel.
The detector pairs quickly with compatible Ajax hubs by scanning the QR code within the Ajax application, while a built-in tamper switch helps protect against unauthorised removal.
Designed for Professional Perimeter Protection
Whether securing entrance doors, windows, roof windows or vulnerable access points, the DoorProtect Plus U provides reliable multi-layered perimeter detection for residential and commercial properties.
Its combination of opening, shock and tilt detection makes it particularly suitable where additional protection beyond standard magnetic opening detection is required.
KEY BENEFITS
- Detects door and window opening
- Integrated shock sensor provides earlier intrusion detection
- Tilt sensor protects roof windows and similar installations
- Configurable shock and tilt sensitivity
- Secure Jeweller encrypted communication
- Wireless range up to 1,200m in open space
- Supports external NC wired detector
- Up to 5 years battery life
- Built-in tamper protection
- Suitable for professional residential and commercial security systems
KEY FEATURES
- Wireless opening detector
- Magnetic reed switch detection
- Integrated shock sensor
- Integrated tilt sensor
- Jeweller wireless technology
- Dual reed switches
- External NC detector input
- Up to 1,200m communication range
- CR123A battery included
- Up to 5 years battery life
- SmartBracket mounting panel
- Chime feature support
- Tamper protection
- Indoor installation
- White finish
IDEAL FOR
- Front doors
- Rear doors
- Patio doors
- Windows
- Roof windows
- Skylights
- Offices
- Retail premises
- Homes
- Apartments
- Commercial buildings
- Professional Ajax alarm systems
SYSTEM COMPATIBILITY
- Compatible with Ajax Hub (2G)
- Compatible with Ajax Hub (4G)
- Compatible with Ajax Hub Plus
- Compatible with Ajax Hub 2
- Compatible with Ajax Hub 2 (2G)
- Compatible with Ajax Hub 2 (4G)
- Compatible with Ajax Hub 2 Plus
- Compatible with Ajax Hub Hybrid (2G)
- Compatible with Ajax Hub Hybrid (4G)
- Compatible with Ajax ReX Jeweller
- Compatible with Ajax ReX 2 Jeweller
- Uses Ajax Jeweller encrypted wireless communication
- Managed via Ajax mobile applications (iOS and Android)
- Managed via Ajax desktop applications (Windows and macOS)
- Supports Ajax Cloud remote management
- Supports Over-the-Air (OTA) firmware updates
| Specification |
Details |
| Brand |
Ajax |
| Model |
DoorProtect Plus U Jeweller |
| Product Type |
Wireless Door & Window Opening Detector with Shock & Tilt Detection |
| Detection Methods |
Magnetic Opening, Shock, Tilt |
| Sensor Type |
Reed Switch & Accelerometer |
| Protected Openings |
Doors, Windows, Roof Windows, Skylights |
| Wireless Technology |
Jeweller |
| Radio Communication Range |
Up to 1,200 m (Open Space) |
| Radio Frequency Bands |
868.0–868.6 MHz (Region Dependent) |
| Alarm Transmission Time |
Approximately 0.15 Seconds |
| External Detector Input |
Yes (Normally Closed Wired Detector) |
| Reed Switches |
Dual Reed Switches |
| Shock Detection |
Yes |
| Tilt Detection |
Yes |
| Shock Sensitivity |
Adjustable |
| Tilt Detection Delay |
Configurable |
| Chime Feature |
Supported |
| Tamper Protection |
Yes |
| LED Indication |
Yes |
| Power Supply |
1 × CR123A Lithium Battery (Pre-installed) |
| Battery Life |
Up to 5 Years |
| Protection Rating |
IP50 |
| Operating Temperature |
−10°C to +40°C |
| Operating Humidity |
Up to 75% Non-condensing |
| Colour |
White |
| Material |
High-quality Plastic |
| Mounting |
SmartBracket Mounting Panel |
| Dimensions |
90.5 × 21 × 18.5 mm |
| Weight |
Approximately 35 g |
| Indoor / Outdoor |
Indoor Use Only |
| Certifications |
CE, RED, RoHS (Region Dependent) |
| Warranty |
Not specified |
FREQUENTLY ASKED QUESTIONS (FAQs)
What is the Ajax DoorProtect Plus U Jeweller used for?
The Ajax DoorProtect Plus U Jeweller is a wireless detector designed to protect doors, windows, roof windows and other access points. It combines magnetic opening detection with integrated shock and tilt sensing for enhanced perimeter protection.
What makes DoorProtect Plus U different from DoorProtect U?
DoorProtect Plus U includes built-in shock and tilt sensors in addition to standard magnetic opening detection. This enables it to detect attempted forced entry, impacts, vibrations and changes in window position before a door or window is fully opened.
Is this detector suitable for outdoor installation?
No. The DoorProtect Plus U Jeweller is designed for indoor installation only and has an IP50 protection rating.
Does it detect vibration and impacts?
Yes. The integrated accelerometer detects shock and vibration, helping identify attempts to force doors or windows before they are opened.
Does it support tilt detection?
Yes. The detector includes a configurable tilt sensor, making it suitable for monitoring roof windows, skylights and windows that may remain partially open.
Can an external wired detector be connected?
Yes. The detector includes an input for connecting a compatible normally closed (NC) wired detector, allowing additional protection devices to be integrated into the Ajax system.
How does it communicate with the hub?
The detector uses Ajax Jeweller encrypted wireless communication with a maximum range of up to 1,200 metres in open space.
How long does the battery last?
The supplied CR123A lithium battery provides up to 5 years of operation under normal usage conditions.
Does it include tamper protection?
Yes. A built-in tamper switch generates a notification if the detector is removed from its mounting surface.
Is professional installation recommended?
Yes. Professional installation is recommended to ensure correct positioning, appropriate shock and tilt sensitivity settings, and reliable communication with the Ajax hub.
