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  1. ›
  2. Alarm Solutions
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  4. Wireless Alarm Solutions
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  8. Wireless Panic Button – Single Button
  9. Wireless Panic Button – Single Button
    Dahua

    Wireless Panic Button – Single Button

    Stock Code: ARD821-W2(868)

    Options

    2 options
    Button CountSingle2
    Currently viewing: ARD821-W2(868) · Single
    AES
    Sends a panic alarm wirelessly at a single press.
    A single-button panic transmitter that joins the alarm system over a two-way RF link. The button sends the alarm straight to the panel in an emergency. It stays fixed on the wall or travels with the user.
    868.0 MHz–868.6 MHzCarrier Frequency
    Two-way RFCommunication Mechanism
    IP54Protection Grade
    -10 °C to +55 °COperating Temperature
    Wall mount; portableMounting Type
    Key features
    1button
    Alarm at a single press
    The single button on the housing triggers the alarm directly in a panic situation.
    868.0–868.6MHz
    RF carrier band
    The two-way RF link between the button and the panel runs in this band.
    AES128encryption
    Protected wireless traffic
    Encrypts the RF traffic between the button and the panel with AES128.
    IP54protection grade
    Housing against dust and splashing water
    The PC + ABS housing is IP54 rated.
    3years
    Battery life
    The battery lasts three years at two presses a week.
    IN EVERYDAY USE
    Accidental press preventionThe button prevents accidental presses and fires the alarm only on real use.
    Status at a glanceA multi-color LED shows pairing and communication status, and the app reports the battery level.
    Remote updateUpdates its firmware over the cloud and recovers on its own from a failed update.
    Function
    Indicator Light 1 for multiple statuses (pairing, communication, and more)
    Remote Update Cloud update
    Button 1
    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 (3,937.01 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)
    Battery Model 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

    Datasheet

    ARD821-W2(868)

    pdf11/3/2022

    Firmware

    ARD821-W2(868)

    zip11/3/2022

    Kullanım Kılavuzu

    ARD821-W2(868)

    pdf11/3/2022

    ARD821-W2(868)

    pdf11/3/2022

    Teknik Çizim

    ARD821-W2(868)

    pdf11/3/2022

    ARD821-W2(868)

    pdf11/3/2022

    ARD821-W2(868)

    pdf11/3/2022

    Fotoğraf

    ARD821-W2(868)

    png4/2/2025

    ARD821-W2(868)

    png4/2/2025

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