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AJAX PIR Plus Including Microwave Detector, Black & White
A-PIRMICROWAVE(B&W)

AJAX PIR Plus Including Microwave Detector, Black & White

AJAX PIR Plus Including Microwave Detector, Black & White

The AJAX PIR Plus Including Microwave is a motion detector for AJAX wireless alarm systems. It combines passive infrared (PIR) and microwave sensing in one housing, so that movement is checked by two different detection methods before an alarm is raised.

This black and white version is the colour variant listed under the code A-PIRMICROWAVE(B&W). It is a sensor component, so it is intended to be installed as part of a wider AJAX system with a hub and other compatible devices. It is suited to protecting rooms, corridors and other indoor spaces where reliable motion detection is needed.

Because it is part of the AJAX range, it fits into the same wireless ecosystem as the brand’s other sensors, keypads, panic buttons and power supplies. Installers and security-minded homeowners can build a system that matches the size and layout of the premises.

The black and white finish allows the detector to be matched to the decor of the room where it is mounted. Check the product documentation before installation to confirm the mounting position, coverage and system requirements for your setup.

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AJAX PIR Plus Including Microwave Detector, Black & White

AJAX PIR Plus Including Microwave Detector, Black & White

The AJAX PIR Plus Including Microwave is a wireless motion detector designed for indoor security. It brings together two sensing technologies in a single device: a passive infrared (PIR) sensor, which reacts to changes in heat signatures, and a microwave sensor, which detects movement by sending and receiving low-power microwave signals. Using both methods together helps the detector distinguish genuine movement from false triggers.

Key features

  • Combined PIR and microwave motion detection in one housing
  • Wireless operation as part of the AJAX alarm system
  • Black and white colour variant (code A-PIRMICROWAVE(B&W))
  • Designed for indoor use within an AJAX security installation
  • Compatible with the AJAX hub and other AJAX devices in the same system

Specifications

  • Brand: AJAX
  • Product type: Motion detector, PIR and microwave
  • Colour: Black and white
  • Connectivity: Wireless, as part of an AJAX system
  • Installation: Indoor

Please consult the official AJAX documentation for exact technical specifications such as detection range, coverage angle, power supply and mounting height, as these are not listed in the product data used for this page.

How dual detection works

A PIR sensor responds to infrared energy given off by warm bodies moving across its field of view. A microwave sensor responds to motion by measuring changes in reflected signals. When a detector uses both principles, an alarm is generally raised only when both sensors register movement, or when the combined logic of the device confirms an intrusion. This approach is commonly used to reduce nuisance alarms caused by draughts, sunlight or small objects in a room.

Typical uses

The detector is suited to indoor areas that need dependable motion monitoring. Common locations include living rooms, hallways, offices, storage rooms and shop floors. It can be used as a single detection point or as part of a larger network of sensors covering several rooms or floors.

  • Home security for living areas and hallways
  • Office and commercial premises
  • Storage rooms and back-of-house areas
  • Supplementing door and window sensors in a layered security setup

Choosing the right colour

The black and white finish gives the detector a neutral, modern look that suits most interiors. Because the device is intended to be fitted to walls or ceilings in visible locations, colour can be a practical consideration when matching it to surrounding fittings.

Installation and system integration

The AJAX PIR Plus Including Microwave works within an AJAX wireless system. Before buying, confirm that your existing or planned hub and other devices are compatible. Plan the placement so that the detector has a clear view of the area to be protected and is not pointed at direct heat sources, windows or areas with moving objects such as curtains or plants. Test the device after installation and check the coverage with the system’s test tools.

Summary

The AJAX PIR Plus Including Microwave is a dual-technology motion detector for indoor use within the AJAX wireless alarm range. Its combination of PIR and microwave sensing, together with its black and white finish, makes it a versatile choice for security installations of many kinds.

Additional information

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