描述
ARD822-W2(868)
Wireless Panic Button
ARD822-W2(868) 屬大華防盜警報產品。傑成系統有限公司（香港防盜）為大華產品安裝商及經銷商，可提供供應、安裝、調試、保養及維修。方案可參考防盜系統。規格以原廠資料為準。
規格
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 |
