Ajax DualCurtain Outdoor White Front View BD426W
Ajax DualCurtain Outdoor White Front View BD426W
Ajax DualCurtain Outdoor White 3-Way View BD426W
Ajax DualCurtain Outdoor White Outdoor Application 1 BD426W
Ajax DualCurtain Outdoor White Outdoor Application 2 BD426W
Ajax DualCurtain Outdoor White Outdoor Application 3 BD426W
Outdoor Application 4 BD426W
App Controlled BD426W

Ajax DualCurtain Outdoor White

R 4,199.00 Incl. VAT
R 0.00 Incl. VAT

Available to order online or collect at 6 Cosmic Street Linbro Park, Sandton, 2090 (Map)


Spec Data Sheet Button

The Ajax DualCurtain Outdoor White is a wireless bidirectional outdoor curtain motion detector with an adjustable detection range of up to 30 meters.

DualCurtain Outdoor has a narrow horizontal detection angle and is designed to control property perimeters such as windows, archways, doors, gates and passages.

Please note: DualCurtain Outdoor operates as part of an Ajax system by connecting to the compatible hubs via the Jeweller secure radio communication protocol.

The DualCurtain is compatible only with Hub Plus, Hub 2, Hub 2 Plus, Hub Hybrid, and radio signal range extenders. Connectivity with Hub and the ocBridge Plus and uartBridge integration modules is not supported.

 Product Code: 26072.81.WH1


  • Outdoor motion detector
  • Pre-installed battery (Battery life - Up to 4 years)
  • Anti-making system
  • 2 x IR sensors on each side
  • Motion detection distance of 4 to 15 m
  • Detection angle horizontal of 4.5°
  • Communication range of 1700m (in an open space/line of sight)
  • Pet Immune (ignores pets with a height of 80 cm)
  • One enclosure – Two independent detectors (detection range of the two optical systems is adjusted independently)
  • Near Area Detection
  • 5 ReX radio signal range extenders in security system
  • Adjustable ping interval from 12 seconds
  • In-app battery charge status
  • Low battery notification
  • Detector is set up via the Ajax app for iOS, Android, macOS and Windows
  • System notifications delivered via push notifications, SMS and calls (if activated).
  • Quick and Easy installation



The Ajax DualCurtain Outdoor comes ready to operate straight out the box.

The battery is pre-installed, so there is no need to disassemble the detector. The Ajax Dual Curtain connects to the security system via the Ajax app, simply scan the QR code, add the detector to the room, and proceed to installation.



Compatibility Compatible only with Hub Plus, Hub 2, Hub 2 Plus, Hub Hybrid, and radio signal range extenders
Classification Electro-optical radio channel security detector
Type of detector Wireless
Installation method Indoors/outdoors
Sensing element 4 x IR sensor
Motion detection distance From 4 to 15 m (depending on settings) for each optical system
Protection against false alarms Available (ELSA software algorithm)
Alarm signal delivery time 0.15 s
Detection angle Horizontal: 4.5° and Vertical: 90° (depending on settings)
Time for motion detection From 0.3 to 2 m/s
Sensitivity Adjustable, 3 levels
Pet Immunity Height up to 80 cm
Power supply 2 x CR123А batteries, 3 V
Battery life Up to 4 years
Temperature sensor Available
Communication range with the central unit Up to1,700 m line-of-sight
Two-way communication between devices Yes
Operating frequencies 868.0−868.6 MHz
Self-adjusting RF output power Up to 20 mW
Block encryption based on AES algorithm Yes
Detector polling period 12–300 s
Frequency hopping Yes
Operating temperature range From −25°С to +60°С
Permissible humidity Up to 95%
Protection class IP54
Protection against forgery Yes
Jamming detection Yes
Tamper-resistant Yes
Product Dimensions 174 mm x 123 mm x 88 mm
Product Weight 615g
Packaging Dimensions 230 mm x 204 mm x 97 mm
Mass of unit packed 1000g
Warranty 24 months limited Manufacturer’s warranty. The warranty does not cover batteries.



The detector is installed at a height of 0.8–1.3 meters from ground level when used to protect doors, arches, other passages, or the area in front of windows. Otherwise, if the detector is used to protect windows, it is installed at a height of 0.5–0.6 meters from the windowsill.


1 x Ajax DualCurtain Outdoor White 

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