38237.01.WH1 # 38237 | Ajax Hub (2G) Jeweller white is a control panel that guarantees reliable security thanks to a cloud connection with 99.99% availability and the Jeweller encrypted protocol with frequency hopping. It supports up to 100 wireless devices with a range of up to 2,000 meters, detects connection loss in seconds, and integrates a 15-hour backup battery for operational continuity. Equipped with Ethernet and a 2G SIM slot, it ensures stable communications and remote management via app, offering maximum protection and compatibility with scenarios, video cameras, and security groups. Ajax
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Artikel-Nr.: 38237.01.WH1
Marke: Ajax Systems
EAN: 4823114015205
Disponibilità: 16
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38237.01.WH1 | CENTRAL UNIT WITH JEWELLER SUPPORT
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The Ajax Hub (2G) Jeweller, 38237.01.WH1 , white is the intelligent control panel that manages the entire Ajax ecosystem, ensuring advanced security, stable communications, and constant cloud monitoring with 99.99% availability. Jeweller radio technology ensures encrypted transmissions, immediate detection of connection losses, and tamper protection, while the built-in battery offers up to 15 hours of battery life. Designed to support up to 100 wireless devices and integrate Ethernet and 2G SIM, the system ensures reliable remote control and high performance in any environment, all wrapped up in an elegant black design.
Main specifications:
- Cloud connection with 99.99% availability
- Jeweller technology with frequency hopping and connection loss detection
- Built-in battery up to 15 hours of battery life
- Support up to 100 wireless devices and range up to 2,000 m
- Communications via Ethernet and 2G SIM slot
- Tamper protection and remote monitoring via app
- Compact design in black (163 × 163 × 36 mm)
Further details
The device uses multiple communication channels, including Ethernet for fast and stable connections up to 100 Mbps and a 2G SIM slot that ensures operational continuity even in the event of wired network problems, ensuring the hub remains always connected to the cloud and users.
Technical data sheet
| 38237.01.WH1 | |
| Capacity | |
| Wireless Ajax devices | up to 100 Specifically, up to 10 sirens and 1 range extender. |
| Ajax NVRs | up to 14 |
| Ajax cameras | up to 224 via Ajax NVRs and up to 200 standalone |
| Third-party IP cameras | up to 10 when using RTSP via SDK up to 224 when using ONVIF via Ajax NVRs |
| Users | up to 50
|
| Automation scenarios | up to 5
|
| Security groups | up to 9 |
| Rooms | up to 50 |
| Support for MotionCam detectors | unavailable |
| Wireless communication | |
| Jeweler communication technology | Proprietary wireless communication technology to transmit commands, alarms, and events. Key features:
|
| 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 Depence on the sales reaction |
| Maximum effective radiated power (ERP) | < 20 mW Automatic power control to reduce power consumption and radio interference. |
| Radio signal modulation | GFSK |
| Wings communication range | Up to 2,000 m Up to 6,500 ft Between the hub and connected devices (in an open space). Maximum range depends on the connected device. |
| Polling interval | from 12 to 300 s Adjusted by PRO or user with admin rights in the Ajax apps. |
| Encrypted radio communication | All the data stored and transmitted are protected by block encryption featuring a dynamic key. |
| Radio frequency hopping | Radio communication uses frequency hopping to prevent interception and jamming. |
| Recommendations | The device operating voltage is 110–240 V~. Hub is designed for indoor installation only. |
| Communication channels | |
| Ethernet | 1 8P8C socket Up to 100 Mbps. |
| Cellular | 1 micro-SIM slot |
| Cellular bands | 2G GSM 850/900/1800/1900 MHz |
| Automatic switching between communication channels | Instant switching between Ethernet and SIM. |
| Communication channels prioritization | 1. Ethernet 2. Cellular connection Communication channels work in parallel, to increase system reliability. Most of the data is transmitted via Ethernet. |
| Notifications | |
| Supported notification types |
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| Event types |
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| Monitoring | |
| Supported protocols |
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| Event types |
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| Power Supply | |
| Main | 110–240 V~, 50/60 Hz Up to 10W of mains power consumption. |
| Backup | Built-in backup battery: Li-ion 3 А·h Up to 15 hours of offline operation when the Ethernet is switched off. |
| Alternative | 6 V⎓ (when using 6V PSU for Hub 2/Hub 2 Plus/ReX 2) 12–24 V⎓ (when using 12–24V PSU for Hub 2/Hub 2 Plus/ReX 2) Requires the appropriate alternative power supply unit (sold separately) |
| Enclosure | |
| Color | White |
| Dimensions | 163 × 163 × 36 mm 6.42″ × 6.42″ × 1.42″ |
| Weight | 360 g 12.70 oz |
| Operating temperature range | from −10°C to +40°C from 14°F to 104°F |
| Operating humidity | up to 75% |
| Casing protection class | IP20 |
| Complete set | Hub (2G) Jewelle SmartBracket mounting panel Power supply cable Ethernet cable Installation kit GSM start package (available not in all countries) Quick start guide |
| Warranty | 24 months |



