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Wireless panic button ARD821-W2(868) Dahua

A sleek, oval-shaped wireless panic button with a white body and a glowing green LED indicator. The compact design is ideal for discreet placement in various settings.
A small, oval-shaped white device with a sleek design is held in the palm of a hand, highlighting its compact size. The device features a subtle, recessed central area, suggesting a touch or activation surface.
The image shows the back view of a white, oval-shaped wireless panic button with a CE marking. The device is manufactured by Dahua Vision Technology and features product information and a barcode.
The image shows the interior of a white electronic device with a circuit board and battery compartment. The circuit board features various components, including a coil and microchips, indicating its function as a wireless communication device.
Wireless panic button ARD821-W2(868) Dahua
A black braided lanyard with an adjustable button is shown alongside a CR2032 lithium battery. The lanyard is neatly coiled, highlighting its durable texture and compact design.
  • Manufacturer

    Dahua
  • Product Code

    ARD821-W2(868)

  • Warranty

    24 miesięcy


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Price (Incl. VAT):

46,02 €

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Product Description

Main features:


  • Works with Dahua wireless alarm systems.
  • 868 MHz frequency band.
  • Radio communication range up to 1400 m in open area.
  • Features 1 button.
  • Two-way communication allows dialogue.
  • AES128 data encryption for secure transmission.
  • LED signaling for visual information.
  • Protection against jamming by changing the frequency.
  • Low battery indicator for power monitoring.
  • Battery life of about 5 years, operates in a temperature range of -10°C to 55°C,
    IP54 rating, weight 0.02 kg, dimensions 55 x 36 x 15

This Dahua wireless alarm device offers interoperability with alarm systems, operates at 868 MHz with a range of up to 1,400 m in open areas. It has a single button and allows two-way communication. Security of transmission is ensured by AES128 encryption, and LED signaling provides visual information. The device is protected against jamming by changing frequencies and has a low battery indicator. Powered by a CR2032 battery, it has an approximate 5-year lifespan, operates in a temperature range of -10°C to 55°C, has an IP54 rating, a weight of 0.02 kg and dimensions of 55 x 36 x 15 mm. The manufacturer is Dahua.


Cooperation:Dahua wireless alarm systems
Frequency band:868 MHz
Radio communication range (in open area).:max. 1400 m (open area)
Number of buttons:1
Selected features:
  • Two-way communication
  • AES128 data encryption
  • LED signaling
  • Protection against jamming through frequency switching ensures reliable transmission
  • Low battery indicator
  • Protectionclass: IP54
Powersupply:1 x CR2032 3V battery (included)
Battery life:~ 5 years
Operating temperature:-10 °C ... 55 °C
Permissible relative humidity of the environment:10 % ... 90 %
Weight:0.02 kg
Dimensions:55 x 36 x 15 mm
Manufacturer / Brand:Dahua

Szczegóły dotyczące zgodności produktu z przepisami: Osoba odpowiedzialna za produkt

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