• Ajax Double Button 8PD WHITE
  • 20850.79.WH1 1

Ajax Double Button 8PD

Product Ref: 20850.79.WH1

To activate the alarm, you must simultaneously press both buttons. They are stiff and parted by a plastic barrier. These measures eliminate false alarms when carrying DoubleButton in a pocket or bag.


  • Wireless hold-up device
  • Operates with all Ajax hubs and range extenders (with OS Malevich 2.10)
  • False alarm prevention
  • Activation not longer than 0,15 sec Always active (does not require waking up to use)
  • Jeweller radio technology
  • Communication range with a hub - up to 1300m in an open area
  • Two-way communication
  • Operating frequencies - 868.0 - 868.6 or 868.7 - 869.2 MHz (depends on sales region)
  • Self-adjusting RF output power - up to 20mW
  • Block encryption based on AES algorithm
  • Frequency hopping

Technical Specifications

Power supply : CR2032 battery, 3 V, Up to 5 years
Operating temperature range : From -10°C to +40°C
Permissible humidity : Up to 75%
Protection class : IP55
Size : 47 × 35 × 16 mm
Weight : 17 g

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