Brand originChina
Support Ending
Dahua ARD822-W2(868)
Category
Accessory
First seen by Awernica
Oct 2026
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Replacement
Not specified
No verified replacement
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Specifications
From the manufacturer's product information.
Function
- Indicator Light
- 1 for multiple statuses (pairing, communication, and operation)
- Remote Update
- Cloud update
- Button
- 2
- Signal Strength
- Yes
- Low Battery Detection
- Yes
- Battery Level Display
- Displays battery level on app
Wireless
- Carrier Frequency
- 868.0 MHz–868.6 MHz
- Communication Distance
- Up to 1,200 m (3937.01 ft) in an open space
- Communication Mechanism
- Two–way
- Encryption Mode
- AES128
- Frequency Hopping
- Yes
General
- Operating Temperature
- –10 °C to +55 °C (+14 °F to +131 °F) (indoor)
- Operating Humidity
- 10%–90% (RH)
- Power Supply
- 1 × CR2032
- Battery Life
- 3 years (if used twice a week)
- Product Dimensions
- 55 mm × 36 mm × 14.2 mm (2.17" × 1.42" × 0.56") (L × W × H)
- Packaging Dimensions
- 95 mm × 59.5 mm × 30.5 mm (3.74" × 2.34" × 1.20") (L × W × H)
- Installation
- Wall mount; portable
- Net Weight
- 18 g (0.04 lb)
- Gross Weight
- 48 g (0.11 lb)
- Certifications
- CE; EN 50131-1:2006+A1:2009+A2:2017+A3:2020; EN 50131-3:2009; EN 50131-6:2017; EN 50131-5-3:2017; Security Grade 2; Environmental Class II
- Casing Material
- PC + ABS
- Protection
- IP54
Technical
- Operating Current
- 28 mA
- Test Mode
- Yes
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