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Dahua Wireless Panic Button with 868MHz Two-Way RF Communication.
Dahua Wireless Panic Button with 868MHz Two-Way RF Communication. Single-button transmitter supporting multiple alarm types including intrusion, fire,...
Dahua Wireless Panic Button with 868MHz Two-Way RF Communication. Single-button transmitter supporting multiple alarm types including intrusion, fire, gas, medical and panic. Features AES128 encryption, frequency hopping, IP54 rating, cloud OTA updates and accidental press prevention. Battery powered (CR2032) with up to 3-year battery life.
Contact 0345 863 9750 for availability
SKU:
DHI-ARD821-W2(868)-L
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Product Details
Dahua Wireless Panic Button with 868MHz Two-Way RF Communication. Single-button transmitter supporting multiple alarm types including intrusion, fire, gas, medical and panic. Features AES128 encryption, frequency hopping, IP54 rating, cloud OTA updates and accidental press prevention. Battery powered (CR2032) with up to 3-year battery life.
| Manufacturer | Dahua |
|---|---|
| Ingress Protection | IP54 |
| Accidental Press Protection | true |
| Alarm Types | Intrusion,Fire,Gas,Medical Help,Panic |
| Battery Level Display | Via DMSS app |
| Battery Life | 3 years (used twice per week) |
| Battery Low Threshold | 2.6V DC |
| Battery Model | CR2032 |
| Battery Voltage | 3V DC |
| Button Count | 1 |
| Carrier Frequency | 868.0 MHz – 868.6 MHz |
| 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 |
| Communication | Two-way RF |
| Communication Distance | Up to 1200m (open space) |
| Compatible App | DMSS |
| Device Type | Wireless Panic Button |
| Encryption | AES128 |
| Environmental Class | Class II |
| Frequency Hopping | true |
| Indicator Light | Multi-colour LED (pairing, communication, status) |
| Installation | Wall mount or portable |
| Low Battery Detection | true |
| Max Current | 60mA |
| Min Voltage | 2.2V DC |
| Operating Current | 28mA |
| Quiescent Current | 4.3uA |
| Remote Update | Cloud OTA |
| Repeater Support | true |
| Security Grade | Grade 2 |
| Signal Strength Detection | true |
| Test Mode | true |
| Transmitter Power Eirp | 25mW max |
| Casing Material | PC + ABS |
| Dimensions | 55mm × 36mm × 14.2mm |
| Net Weight | 18g |
| Operating Temperature | -10°C to +55°C (indoor) |
| Operating Humidity | 10% – 90% RH |
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