The Ajax FireProtect 2 SB (CO) Jeweller protects against fire, carbon monoxide or water damage and sends instant alerts through the Ajax hub to the app.
We supply and install Ajax alarm and video systems across London and the Home Counties. Add this to your package and we will check everything works together before sending a written quote.
Key specifications
| Jeweller communication technology | Proprietary wireless technology for transmission of alarms and events. Features: Two-way communication.; Protection against device spoofing.; Block encryptio… |
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| 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. |
| Maximum effective radiated power (ERP) | up to 20 mW Automatic power control to reduce power consumption and radio interference. |
| Radio signal modulation | GFSK |
| Radio communication range | up to 1,680 m Between the detector and a hub (or radio signal range extender) in an open space. |
| Encryption of radio communication | All the data stored and transmitted are protected by block encryption with a floating key. |
| Radio frequency hopping | To prevent radio interference and jamming. |
| Sensitive element | chemical CO sensor |
| Alarm if accumulated dose of CO is exceeded | more than 50 ppm (0.005%) — no more than in 90 minutes more than 100 ppm (0.01%) — no more than in 40 minutes more than 300 ppm (0.03%) — no more than in 3 m… |
| Sensor life | 10 years After 10 years of operation, the detector must be replaced with a new one. |
| In-built siren | volume 85 dB at a distance of 2.7 m Sound notification of alarms. Active until the reason for triggering is eliminated or until the user disables notification. |
| Interconnected fire detectors alarms | via primary interconnection If one of the fire detectors in the system detects a threat, it sends an alarm to the hub. Within 20 seconds, the hub initiates a… |
| LED indication | green is a power indication A LED indicator on the device enclosure lights up once every 56 seconds. The indication meets the requirements of EN 50291. yello… |
| Button on the front panel of the detector | In normal mode, runs the detector test when pressed. In the event of an alarm or malfunction, the pressing turns off the detector sound notification. |
| Tampering alarm | Alerts of attempts to detach the detector from the surface or remove the mounting panel. |
| Protection against spoofing | device authentication |
| Detection of communication failure | within 15 minutes The time to detect communication loss depends on the settings for the number of undelivered data packages (specified in the Jeweller or Jew… |
| For FireProtect 2 SB (CO) | 2 non-replaceable lithium batteries 10 years of battery life. |
| Dimensions | 1.71″ × 3.39″ × 3.39″ |
| Weight | 143 g |
Specifications are the manufacturer’s published figures.








