Dahua DHI-ARD821-W2(868) Wireless Panic Button — 868MHz

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Dahua · ARD821-W2(868) · Wireless Panic Button · 868MHz Panic Button Dahua DHI-ARD821-W2(868) Wireless Panic Button The Dahua ARD821-W2(868) is a compact single-button wireless pan ic button for fast, discreet emergency activation. A single press sends an encrypted AES128 two-way RF signal on the 868MHz band to your alarm panel, with no wiring required. It pairs with Dahua wireless alarm hubs (ARC series) and is managed in the DMSS app, making it ideal for homes, retail counters, reception desks, clinics and aged-care facilities. Specifications — ARD821-W2(868) Type Single-button wireless panic button Buttons 1 (with LED indicator) Frequency 868.0MHz–868.6MHz Communication Two-way RF, frequency hopping, AES128 encryption Range Up to 1,200m in open space Protection Rating IP54 (dust and light splash) Battery Low-battery detection, level shown in app Compatibility Dahua ARC wireless alarm hubs · DMSS app Warranty (Australia) 3 years · CCTV Guru Australia ARD821-W2(868) Datasheet 3-Year AU Warranty Fast AU-Wide Shipping AU Tech Support Show more