Jeweller communication technology

Proprietary wireless communication technology to transmit commands, alarms, and events.

Key features:

Two-way communication.

Advanced sabotage protection.

Block encryption featuring a dynamic key.

Instant notifications.

Remote configuration in the Ajax apps.

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 sales region.

Maximum effective radiated power (ERP)

up to 20 mW

Automatic power control to reduce power consumption and noise interference.

Radio signal modulation

GFSK

Radio signal range

up to 1,300 m

Between the panic button and control panel (or range extender) in an open space.

Encrypted communication

All the data stored and transmitted are protected by block encryption with a dynamic key.

Frequency hopping

Radio communication uses frequency hopping to prevent interception and jamming.

Number of buttons

Accidental press protection

Alarm confirmation

To raise a confirmed alarm (hold-up event), you need to perform the selected action.

LED backlight indicating command delivery

Alarm scenario

* Recommendations: Use Holder to fix DoubleButton Jeweller on surfaces.

Protection against spoofing

Battery

Calculated battery life

Device’s operating voltage range

Device’s nominal operating voltage

Quiescent device’s current consumption at nominal voltage

Maximum device’s current consumption at nominal voltage

Full battery capacity

Low battery voltage

Low battery recovery voltage

End-of-life battery voltage

End-of-life battery capacity

Manufacturer

Dimensions

Weight

Operating temperature range

Operating humidity

Protection class