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Wireless Black Double Button Hold-Up Device With Advanced Protection Against Accidental Pressing

  • Radio signal range of up to 1,300 m
  • Alarm delivery confirmation
  • AES encryption
  • RF hopping
  • P55 body
  • Ready to operate in heat and cold
  • Works up to 5 years from battery
Wireless hold-up device
Operates with all Ajax hubs and range extenders with OS Malevich 2.10 and higher
False alarm prevention
Number of buttons
Alarm transmission
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 1300 m in an open area
Two-way communication

Radio frequency bands:
866.0 – 866.5 MHz
868.0 – 868.6 MHz
868.7 – 869.2 MHz
905.0 – 926.5 MHz
915.85 – 926.5 MHz
921.0 – 922.0 MHz
(depends on the region of sale)

Self-adjusting RF output power — up to 20 mW
Block encryption based on AES algorithm
Frequency hopping

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Power supply
CR2032 battery, 3 V
Up to 5 years

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Operating temperature range
From -10°C to +40°C
Permissible humidity
Up to 75%
Protection class
47 × 35 × 16 mm
17 g
Replacement and repair within 24 months of the date of sale. Batteries are not covered under warranty.

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Complete set
Pre-installed CR2032 battery
Quick Start Guide