
Type4 ReX Jeweller
Wireless addressable radio signal range extender for Type4 Hub (4G) Jeweller
More flexibility for professional installations
Type4 ReX Jeweller works with Type4 Hub (4G) Jeweller to extend the wireless network range and ensure stable communication for Type4 Line devices in large or complex facilities. It connects to the central unit wirelessly, maintaining reliable performance even bypassing obstacles like steel and concrete. Up to five range extenders can operate within one Ajax system, and the devices can be mixed in any combinations within the Type4 Hub (4G) Jeweller limit.

Type4 Line webinar series
Learn about the Ajax solution for Type 4 sites in a dedicated webinar for the French market. During the session, Ajax Systems experts will showcase the key features of Type4 Line products, which combine innovation, performance, and full compliance with local standards.
Key features
Safety and reliability for any facility
Type4 Line is suitable for a wide range of facilities: restaurants, schools, and municipal buildings. With a wireless communication range of up to 1,800 meters between Type4 Hub (4G) Jeweller and system devices, it offers reliable performance even across large premises.
Learn more about Type4 Hub (4G) Jeweller
To expand the coverage even further, Type4 ReX Jeweller can be added to the setup. Up to five range extenders can operate within a system, effectively doubling the network size. It's the perfect solution for facilities where devices need to operate at greater distances without compromising reliability.
- Communication range of up to 1,800 m
- Coverage of up to 35 km²
- Up to five range extenders within one system
- Support for any device combinations within Type4 Hub (4G) Jeweller limits


Communication built in
Type4 ReX Jeweller comes with a built-in radio communicator — no additional modules or wiring needed. Ajax systems use secure two-way communication based on proprietary Jeweller and Wings radio protocols. Devices maintain a stable connection with the central unit at distances of up to 1,800 meters. Alarms and events reach the central unit in just three seconds.
Communication between the central unit and system devices
Jeweller communication protocol
To transmit real-time device states, alarms, events, and all measured readings to Ajax apps.
- Wireless range of up to 1,800 m
- Encrypted two-way radio communication
- Jamming and connection loss alerts
- Automatic packet retransmission in case of errors
Fast, intuitive, error-free setup
Type4 ReX Jeweller comes fully assembled and ready to operate right out of the box. The range extender can be installed in minutes, without opening the enclosure for mounting. Ajax apps help integrate the device into the ecosystem in no time: just scan the QR code, assign a room and zone, and specify the device location for easier maintenance and identification. Device profile parameters are always up-to-date and instantly available in the apps. All settings are configured via toggles in an intuitive interface, eliminating the risk of human error.
Adding the device to a system is as simple as scanning a QR code. All setup, connection checks, and coverage tests are handled in Ajax PRO apps — no complex configuration or programming required.

SmartBracket mounting panel with pre-marked fixing points eliminates the need to disassemble the enclosure. Every detail is designed for easy installation.

Immunity to lags, freezing, and viruses
Type4 ReX Jeweller runs on OS Malevich, a real-time operating system developed by Ajax Systems. It is immune to viruses, resistant to cyberattacks, and extremely reliable. Actions are loaded and executed in less than a second after a smartphone tap, and automation scenarios are executed within the same rapid timeframe.

Sabotage resistance




Technical information
Type4 ReX Jeweller
Ajax product categories
In an Ajax system, you can combine devices of all product categories: Intrusion protection, Video surveillance, Fire and life safety, or Comfort and automation. Create the system to suit your needs and manage it in a single interface.









