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AJAX MultiTransmitter

AJAX MultiTransmitter (Black and white)

MultiTransmitter turns an old alarm system into an intelligent system.

MultiTransmitter replaces the old security control panel, providing connection of wired devices via radio communication to the Ajax system.

From there, all alarm systems can be controlled by the app on the phone.

Push and SMS notifications are sent to the security company's monitoring station with an appropriate code.

Five types of alarms are available: intrusion, fire, health care, panic button, gas leak.


Technical specifications

Number of alarm zones / tamper: 18

Detector contact types supported: NO, NC (without R), EOL (NC with R), EOL (NO as R)

Resistance of EOL resistor: 1 kΩ a 7,5 kΩ

Alarm signal processing mode: Pulsed or bistable

Main power supply: 110–255 V, 50/60 Hz

Backup power: 12 V DC

Compatible battery type: Battery with 4 or 7 A⋅h (not included),

dimensions 150 × 64 × 94 mm

Detector power supply: 12 V DC, up until 1 A for all detector power outputs

Disassembly protection: Tamper

Radio signal frequency band: 868,0-868,6 MHz or 868,7-869,2 MHz, depending on the sales region

Compatibility: Operates with all hubs Ajax e Range Extender

Maximum radio signal strength: Up until 7,29 mW (limit of 25 mW)

Radio signal range: Up until 2.000 m in line of sight

Operating temperature range: from -10 ° C a + 40 ° C

Operating humidity: Up until 75%

Dimensions: 196 x 238 x 100 mm

Weight: 805 g

Warranty: Replacement and repair during 24 months from the date of sale.

Complete set:

MultiTransmitter board


Installation kit

Energy cable

User guide

Ajax ocBridge Plus

AJAX ocBridge Plus (Black and white)


An even more secure module for integrating detectors in Ajax external security systems.

Makes every security system with wireless wireless, giving you access to the benefits of Ajax detectors.

Receive diversity and frequency hopping for added protection against radio noise or interference.

  • Use: Indoor
  • radio signal strength: 25 mW
  • Communication protocol: Jeweler (868 or 915 MHz depending on the country of delivery)
  • Maximum distance between the detector and ocBridge: 2000 m (6552 ft) (in open area)
  • Maximum number of connected devices: 100
  • Interference Detection: sim
  • Monitoring the performance of the detector: sim
  • Alarm history and service events: Sim
  • external antenna connection: sim
  • Software update: sim



AJAX RangeExtender

AJAX RangeExtender (Black and white)

The AJAX Range Extender is a range extender for the security signal system.
It controls the system devices connected to it, allowing the user to place them at a considerable distance from AJAX Hub – in a multi-storey office, in a detached garage or a large production unit.
The AJAX Range Extender doubles the signal range, which potentially extends the radio coverage area to Ajax 16 km².
  1. retransmits the security system signal to double its operating area;
  2. It allows you to expand the signal to 50 dispositives;
  3. It can be used with third-party security systems through uartBridge and ocBridge Plus modules;
  4. protects large installations, it expands the boundaries of the protected area.
Be sure to contact us. We always have the best solution.
Technical information:
Classification: Radio channel range extender
Device type: Wireless
Installation method: Indoors
Compatibility: Operates only with Hub and Hub Plus featuring OS Malevich 2.7.1 and later
Alarm signal delivery time: 0.3 seconds
Maximum connected devices: Hub — up to 99 and Hub Plus — up to 149
Max number of connected ReX per hub: 1
Operating system: OS Malevich Learn more about firmware updates >
Power supply: Mains supply: 110-240 V / Battery backup: Li-Ion 2 А⋅h / Up to 35 hours of offline operation
Operating temperature range: From −10°С to +40°С
Permissible humidity: Up to 75%
Anti-sabotage: Protection against fraud / Jamming detection / Tamper-resistant
Dimensions: 163×163×36 mm
Complete set: Intelligent radio signal range extender ReX / SmartBracket mounting panel / Power cable / Installation kit / Quick Start Guide
AJAX Relay

AJAX Relay

Radio channel controller for remote control of low current equipment. It is used to activate electric locks, swing gates and doors, shutters and rolling shutters, and to restart modems and routers.

  • Authentication to prevent counterfeiting
  • Coding of communication channels and interference detection
  • Protected from power surges and overheating

Operation principle
The device controls the power supply via relay, that closes and opens the dry contact.

Operates from voltage sources 7 – 24 V DC. The dry contact is not galvanically connected to the device itself.

Installation and configuration
The device is installed in junction boxes, switchboards and switchgear enclosures.



Ajax SpaceControl

AJAX SpaceControl (Black and white)


The AJAX Control Space is a command to control the security modes. Pressing the buttons, the command sends an alarm signal to the central Hub.
A panic button allows you to send alarms to your inner circle of users connected to Hub and a security company, in case of problems.
With a touch, the device activates the total or partial security in the area and shows the security status via coded indication of colors.
  1. communication range with the central unit: 1.000 meters in open space or several floors of a shopping center.
  2. Authentication to prevent counterfeiting.
  3. Obstruction detection and encryption of communication channels.
  4. Battery life: up until 5 years. It is replaceable.
To know more, see the datasheet.
Be sure to contact us. We always have the best solution.


Ajax StreetSiren

AJAX StreetSiren (Black and white)


Wireless siren street with a sound level of up to 113 dB, light and sound alarm with customizable sound level between 85 e 113 dB.

Open space keeps communication with Ajax Hub at a distance of up to 2.000 meters.

  • Cores: White / black
  • Type of device: wireless
  • Use: Indoor / Outdoor
  • Alarm type: light and sound
  • Volume of the audible: Adjustable, 85-113 dB at 1m distance
  • operating frequency of the piezo buzzer: 3,5 ± 0,5 kHz
  • light alarm: red LED