At a glance
- Power supply
- Main: 110 to 240 V AC, 50/60 Hz
- Communication channels
- Ethernet: 1 8P8C socket, Up to 100 Mbps
In the box
- Hub (4G) Jeweller
- SmartBracket mounting panel
- Power supply cable
- Ethernet cable
- Installation kit
- GSM start package (available not in all countries)
- Quick start guide
Model HB.4G.JAjax Hub (4G) Jeweller
₹23,875 Incl. GST
₹20,233 + 18% GST
At a glance
- Power supply
- Main: 110 to 240 V AC, 50/60 Hz
- Communication channels
- Ethernet: 1 8P8C socket, Up to 100 Mbps
The control panel of an Ajax wireless alarm for a home or business: it links detectors, keypads and sirens and sends alerts to your phone. Connects over Ethernet and a 4G SIM, takes up to 100 devices and 50 users, with a 3 Ah backup battery.
- WarrantyManufacturer warranty under Ajax's terms: 2 years. Warranty claims
- DeliveryPrice, availability and delivery charges are confirmed in your quotation. Shipping and delivery
Overview
The Ajax Hub (4G) Jeweller is the control panel of an Ajax wireless alarm for a home, office or shop. It links the detectors, keypads and sirens over the Jeweller radio and alerts you in the Ajax app or by SMS when something happens. It connects to the internet over Ethernet and a 4G (LTE) SIM card, with a 3 Ah backup battery for power cuts.
Is it right for you?
- Choose it for a home, flat or small business that needs up to 100 wireless devices and 50 users, with a 4G mobile channel.
- It does not support MotionCam photo verification. For photos on alarm, choose Hub 2 (2G) or Hub 2 Plus.
- It has one SIM slot. If you want two SIMs or Wi-Fi, choose Hub 2 or Hub 2 Plus.
- It supports 5 automation scenarios and 1 range extender.
Key features
- Up to 100 wireless Ajax devices, including up to 10 sirens and 1 range extender; up to 50 users, 9 security groups and 50 rooms.
- Ethernet (up to 100 Mbps) and one micro-SIM slot for 4G (LTE) and GSM 850/900/1800/1900 MHz, working in parallel with instant switching.
- Push notifications and SMS, configured per user: alarms, faults, arming changes, system events, non-security alerts and automation events.
- Reports to monitoring stations over SIA (DC-09), SurGard (Contact ID), ADEMCO 685 and other protocols.
- Jeweller radio to connected devices up to 2,000 m in open space, encrypted, with frequency hopping and a 12 to 300 s polling interval.
- Up to 5 automation scenarios: alarm reactions, scheduled actions and arming reactions.
- Mains powered from 110 to 240 V, up to 10 W, with a built-in 3 Ah backup battery for up to 15 hours offline with Ethernet switched off.
- Tamper alarm and jamming notifications.
What else you need
Ajax detectors, keypads and sirens for the rooms you want to protect.
A mains socket and, for the wired link, an Ethernet connection to your router.
A micro-SIM card with a data plan. A GSM start package is in the box in some countries only.
To run from DC instead of mains, the 6 V PSU (type A) or 12 to 24 V PSU (type A), sold separately.
The Ajax app, with PRO accounts for installers and monitoring companies.
Installation
An Ajax installer can survey the building, fix the SmartBracket mounting panel, connect power and Ethernet, insert the SIM and add every device in the Ajax app. The hub is for indoor use only.
Software and licences
The Ajax app controls the system and manages users and their rights. PRO accounts let an installer or monitoring company manage it remotely.
Scenarios by temperature, humidity and CO2 are not supported on this hub.
Before you buy
Indoor use only, from -10 to 40 °C and up to 75% humidity, IP20.
The hub has a 3-pin battery; use the same type when replacing it.
The GSM start package is not available in all countries.
163 x 163 x 36 mm, 360 g, in black or white.
Technical specifications
Key facts
- What is it?
- Alarm Hubs & PanelsBrand Ajax, model HB.4G.J
- How is it powered?
- Main: 110 to 240 V AC, 50/60 Hz
- What comes in the box?
- Hub (4G) Jeweller; SmartBracket mounting panel; Power supply cable; Ethernet cable and 3 more
- Which documents are available?
- Datasheet, online manual, software (5), regional compliance reference (2), online specifications (3), and more Open documents
- Can SecurityGearHub help with installation?
- Setup guidanceManuals, wiring guides and answers to setup questions. On-site work is arranged separately where available. Ask about installation
RelatedSolutionIntrusion alarm systemsGuideWireless alarm system guideDocumentsAll Ajax documents
- Manufacturer model
- HB.4G.J
- Capacity
- Wireless Ajax devices: up to 100 (Specifically, up to 10 sirens and 1 range extender); Users: up to 50 (Any number of admin users within the hub limit. PRO accounts for installers. PRO accounts for installation and monitoring companies. Access management for users); Automation scenarios: up to 5, Alarm reactions, Scheduled actions (Security mode changing reactions. Hub does not support scenarios by temperature, humidity, and CO₂ concentration. Scenarios for comfort and productivity are available for other hub models); Security groups: up to 9; Rooms: up to 50; Support for MotionCam detectors: unavailable
- Communication channels
- Ethernet: 1 8P8C socket, Up to 100 Mbps; Cellular: 1 micro-SIM slot; Cellular bands: 4G (LTE), GSM 850/900/1800/1900 MHz; Automatic switching between communication channels: Communication channels prioritization, Ethernet (Instant switching between Ethernet and SIM); Cellular connection: (Communication channels work in parallel, to increase system reliability. Most of the data is transmitted via Ethernet)
- Power supply
- Main: 110 to 240 V AC, 50/60 Hz (Up to 10 W of mains power consumption); Backup: built-in backup rechargeable battery: Li-ion 3 A·h (Up to 15 hours of offline operation when the Ethernet is switched off. The hub has a 3-pin battery. To replace the hub battery, use the same one); Alternative: 6 V DC (when using 6 V PSU (type A)), 12 to 24 V DC (when using 12 to 24 V PSU (type A)) (Requires the appropriate alternative power supply unit (sold separately))
- Enclosure
- Dimensions: 163 × 163 × 36 mm; Weight: 360 g; Operating temperature range: from -10 °C to +40 °C; Operating humidity: up to 75%; Protection class: IP20
- Warranty
- Manufacturer warranty under Ajax's terms: 2 years. How claims work
Product attributes and shipping details
| Brand | Ajax |
|---|---|
| Colour | Black, White |
| IP Rating | IP20 |
| Alarm Technology | Jeweller |
Downloads
Download software
- Ajax Security System (iOS)Version 3.59 · iOS 18.0+ · Released October 28, 2026Prerequisites: Compatible Ajax hub; Ajax account; Hub is set up and controlled through Ajax apps (user or PRO app)Licence: Free; account requiredSoftware · Family · apps.apple.comView official download page
- Ajax Security System (Android)Android · Released November 9, 2026Prerequisites: Compatible Ajax hub; Ajax account; Hub is set up and controlled through Ajax apps (user or PRO app)Licence: Free; account requiredSoftware · Family · play.google.comView official download page
- Ajax PRO: Tool for Engineers (iOS)Version 2.59 · iOS 18.0+ · Released October 28, 2026Prerequisites: Ajax PRO account; Installer app for configurationLicence: Free; account requiredSoftware · Family · apps.apple.comView official download page
- Ajax PRO: Tool for Engineers (Android)Version 2.59 · Android 8.0+ · Released November 9, 2026Prerequisites: Ajax PRO account; Installer app for configurationLicence: Free; account requiredSoftware · Family · play.google.comView official download page
- Ajax PRO DesktopWindows x64 (download on page); macOS (App Store button on page); 32-bit Windows, Windows 7/8 and macOS 10.15 need an earlier build from supportPrerequisites: Ajax PRO account; 64-bit Windows 10+ recommended for video wall; Monitoring/configuration for security companiesLicence: Free; account requiredSoftware · Family · ajax.systemsView official download page
Documentation
- Ajax Hub (4G) Jeweller datasheetDatasheet · This model · 2.5 MBDownload
- Ajax Hub (4G) Jeweller product pageOnline specifications · Family · ajax.systemsView official page
- Ajax Hub (4G) Jeweller technical specifications pageOnline specifications · Family · ajax.systemsView official page
- Ajax device compatibility with hubs and control elementsOnline specifications · General · ajax.systemsView official page
User manual
- Ajax Hub (4G) Jeweller: Online manualOnline manual · Family · ajax.systemsView official page
Firmware
- Ajax hub firmware (OS Malevich)n/aPrerequisites: Hub online; Updated automatically via Ajax Cloud; no manual fileLicence: FreeFirmware · Family · ajax.systemsView official download page
Series documents can differ from your exact model. Report a wrong or missing file
Questions about this product
Does it need an internet connection?
Yes, for app notifications and remote control. It uses Ethernet and a 4G SIM, switching between them automatically.
What happens in a power cut?
The built-in 3 Ah battery keeps it running for up to 15 hours with Ethernet switched off.
Does it support MotionCam photos?
No. Hub 2 (2G) and Hub 2 Plus support photo verification.
How many devices and users can it have?
Up to 100 devices, including 10 sirens and 1 range extender, and up to 50 users.
Does it make phone calls on alarm?
Push notifications and SMS are listed. Calls are not listed for this model.
Is a SIM card included?
A GSM start package is included in some countries only.
Ask about this modelSetup, compatibility, what is in the box
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