Dahua Airshield ARD822-W2 two-button panic switch

Dahua Airshield ARD822-W2 — Wireless Panic Button

In crisis situations—such as break-ins, fires, or medical emergencies—fast and reliable communication is crucial. The Dahua Airshield ARD822-W2 wireless panic button operates on the 868 MHz frequency, ensuring stable signal transmission. With a range of up to 1,400 m in open space, the device can be placed almost anywhere in a home or smaller commercial setting. Its battery life of up to 5 years under normal use ensures minimal maintenance and high reliability. Furthermore, with an IP54 rating, it is resistant to dust and splashing water, allowing it to function even in more demanding environments.

Advanced Security Features

The device supports various types of alarms—including those for break-ins, fires, or gas leaks—covering a wide spectrum of emergency scenarios. Built-in AES128 encryption protects communication against unauthorized access, while two-way communication ensures that every alarm is successfully transmitted. Additionally, a frequency-hopping feature minimizes signal interference, which is vital for the system's overall reliability.

Practical Use and Remote Management

The dual-button design allows for easy operation and the triggering of alarms—for instance, to a monitoring center or directly to your loved ones. An LED indicator displays the device's status, providing an immediate overview of its operational readiness. Furthermore, support for remote cloud-based updates and automatic system recovery ensures that the device always runs the latest software.

Technical Specifications

• Transmission frequency: 868.0-868.6 MHz
• Range (in open space): up to 1400 m
• Power supply: 1x CR2032 battery
• Number of buttons: 2
• Material: Plastic
• Dimensions: 55 x 36 x 14.2 mm
• Operating temperature: -10 to +55 °C
• Ingress protection: IP54

This module is ideal for homes and smaller commercial spaces where a rapid response to emergency situations is required.