Dahua ARD2231-W2 Wireless Dual-Tech PIR + Microwave Detector, 868 MHz
Dahua ARD2231-W2 868 MHz wireless dual-tech detector combining PIR and 24 GHz microwave, 12 m / 90°, pet immunity 18 kg, CR123A battery for about 3 years.
Read MoreSpecs
Brand
Dahua
Model
DHI-ARD2231-W2(868)
Product Type
Wireless dual-tech detector
Sensor
Dual-element PIR + microwave
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15
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Dahua ARD2231-W2 Wireless Dual-Tech PIR + Microwave Detector, 868 MHz
The Dahua ARD2231-W2 is a wireless dual-technology motion detector for Dahua AirShield alarm hubs. It combines a PIR sensor with a 24 GHz microwave sensor, 12 m / 90° coverage, pet immunity up to 18 kg and two-way 868 MHz radio with a range of up to 1,600 m. It suits rooms with heaters, sunlight or air movement where a plain PIR would give false alarms.
Main Specs
- Detection: PIR + 24 GHz microwave (dual-tech)
- Range: 12 m, 90° at 2.2 m mounting height
- Pet immunity: up to 18 kg, height < 50 cm
- 3 sensitivity levels, digital temperature compensation
- Two-way 868 MHz radio, up to 1,600 m open space
- AES128 encryption, frequency hopping
- Battery: 1 x CR123A, about 3 years
- Tamper alarm, low-battery alarm
- Dimensions: 104 x 60 x 50 mm, wall mount
- Ideal for rooms where a plain PIR would false-alarm
Main Characteristics
Brand
Dahua
Model
DHI-ARD2231-W2(868)
Product Type
Wireless dual-tech detector
Sensor
Dual-element PIR + microwave
Microwave Frequency
24 GHz
Detection Range
12 m (90°) at 2.2 m height
Detection Speed
0.3-3 m/s
Pet Immunity
≤ 18 kg, height < 50 cm
Sensitivity
3 levels
White Light Resistance
2,000 lux
Carrier Frequency
868.0-868.6 MHz
Communication Mechanism
Two-way
Encryption
AES128
Frequency Hopping
Yes
Communication Distance
Up to 1,600 m in open space
Power Supply
1 x CR123A
Battery Life
3 years
Tamper
Yes
Dimensions
104 x 60 x 50 mm
Net Weight
106 g
Installation
Wall mount
Environment
Indoor, -10 °C to +55 °C
Certifications
CE
