Ajax DoubleButton Jeweller
Ajax DoubleButton is a wireless hold-up device with two separate buttons divided by a barrier to prevent accidental presses. To trigger an alarm, both buttons must be pressed simultaneously. Supports confirmed alarms, ensuring the alert is sent deliberately by an authorized user. Operates on the Jeweller radio protocol, featuring two-way communication, AES encryption, and jamming detection. Suitable for both residential and commercial sites, and can also activate automation scenarios.
Specifications
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Classification: wireless hold-up device
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Compatibility: works with Ajax Hubs and ReX (OS Malevich 2.9 and later)
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False alarm prevention: yes (two separate buttons with divider)
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Number of buttons: 2
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Alarm transmission: ≤ 0.15 sec
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Radio protocol: Jeweller (two-way communication, AES encryption, frequency hopping)
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Communication range: up to 1300 m (open area)
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Operating frequencies: 868.0–868.6 MHz, 868.7–869.2 MHz (depending on region)
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RF output power: up to 20 mW
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Power supply: CR2032 battery, 3 V
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Battery life: up to 5 years
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Operating temperature: −10 °C to +40 °C
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Humidity: up to 75%
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Protection class: IP55
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Size: 47 × 35 × 16 mm
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Weight: 17 g
Package contents
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Ajax DoubleButton Jeweller
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CR2032 battery (pre-installed)
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Quick Start Guide

