Awernica
ARD822-W2(868)
China
Support Ending
Dahua

Dahua ARD822-W2(868)

Category
Accessory
First seen by Awernica
Oct 2026

Keep every device you have installed in one list – firmware, lifecycle and replacements. No card.

Latest Firmware

1.000.0000005.0.R.20240329

Download

No published release date

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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