Ajax MultiTransmitter

R2,793.00 incl. VAT

Ajax MultiTransmitter is an 18 zone wired panel that replaces existing wired alarm control panels. It wirelessly connects to an Ajax Hub transforming the existing system into a smart, mobile controlled system. Each of the wired devices can be configured in the Ajax app which could be active 24/7, operate with entering or exiting delay, activate sirens if necessary, and participate in automation scenarios. With MultiTransmitter, the old alarm system becomes part of a secure and smart home.

*It is recommended that a professional security installer install the MultiTransmitter

Free Deep Cycle Battery included with every MultiTransmitter purchased



Ajax MultiTransmitter – Replaces existing Wired Alarm Control Panel


A module for integrating third-party wired devices into Ajax.

The Ajax Multi-Transmitter is an 18 zone, wired panel that integrates wired devices into the Ajax system. Whether you want to add wired devices to your Ajax Smart Alarm or replace your existing Wired Alarm System, Ajax MultiTransmitter will seemlessly transform your wired devices into configurable and secure system fully controlled from the Ajax mobile app.

The MultiTransmitter is compatible with all the Ajax Hubs. Difference between Ajax Hubs

NOTE: Battery options as follows:


Wired Alarm Renovation

Tens of detectors and kilometers of wire can now effortlessly be transformed into a modern smartphone-controlled security system. Replacing the old security control panel, the module connects wired devices to a hub and makes them a full-fledged part of Ajax. MultiTransmitter is a step towards awareness and reliability. For a security company, it opens the possibility to configure the equipment remotely, and users get all the benefits of managing the system through an app.


More Ajax Features

IR barriers, household gas, temperature, liquid level detectors and much more — with MultiTransmitter, these devices are ready to expand the Ajax areas of use. And wired connectivity and support of international security industry standards ensure full compatibility.

Wired devices connected to Ajax MultiTransmitter


New Features Of Old Devices

MultiTransmitter has 18 wired zones, each of which can be configured in the Ajax app. The detectors connected to the zones can be active 24/7, operate with entering or exiting delay, activate sirens if necessary, and participate in automation scenarios. With MultiTransmitter, the old alarm system becomes part of a secure and smart home.


Data-Rich Alarms

With MultiTransmitter, you can specify the type of alarm and a room for each wired device. This makes notifications more informative — you know not just what happened but where. This information is displayed using push notification, SMS, and is also sent to the security company’s monitoring station under an appropriate code. A total of five types of alarms are available: intrusion, fire, medical assistance, panic button, gas alarm.


Jeweller – Wireless communication between Hub and Devices



MultiTransmitter communicates with a hub via an encrypted Jeweller radio protocol. This is a TDMA technology developed by Ajax Systems for uninterrupted communication with devices. Jeweller detects jamming attempts, switches to the backup frequency in case of interference, and allows Ajax wireless devices to run on battery power for years.

Security Without Barriers

When using ReX range extenders, Ajax security system’s radio network can cover up to 35 km2. But if some rooms are impermeable for radio waves, connecting wired devices via MultiTransmitter is the best solution. The length of wires can reach 400 meters.


Protected against sabotage

MultiTransmitter will inform you instantly if the connected devices have been interrupted with power failure, disconnection of the signal cable, or tampering. Electricity loss at the site will not be a problem either — the backup battery can provide power to devices for up to 4 days. MultiTransmitter body itself is equipped with two tampers that respond to removal of the integration module from the mount and removal of the lid.

  • Instant connection loss detection with wired device (EOL)
  • Cavity in the body for a backup battery 7 A⋅h
  • 2 tampers that detect dismounting and opening of the body

Meet Ajax MultiTransmitter

Additional information

Weight 330 g
Dimensions 163 × 163 × 36 mm

Black, White

Technical Specifications

Number of alarm/tamper zones 18
Supported detect contact types NO, NC (without R), EOL (NC with R), EOL (NO with R)
Resistance of the EOL resistor 1kΩ to 7.5kΩ
Alarm signals processing mode Pulsed or bistable
Main power supply 110-255v, 50/60Hz
Backup power 12vDC
Supported battery type Battery with 4 or 7 a/h capacity (not included)
Detector power supply 12vDC up to 1A for all detector power supply outputs
Protection against dismantling Tamper
Radio signal frequency band 868.0-868.6MHz or 868.7-869.2MHz depending on region
Compatibility Operates only with Hub, Hub Plus, Hub2, Hub 2 Plus & ReX
Maximum radio signal power Up to 7.29mW (2mW limit)
Radio signal range Up to 2,000m in line of site
Operating temperature range From -10°C to +40°C
Operating humidity Up to 75%
Dimensions 196 x 238 x 100mm
Weight 805g
Warranty Replacement and repair during 24 months from date of purchase
Complete Set MultiTransmitter Board


Installation kit

Power cable

User guide

User Guide

User Guide

Ajax MulitTransmitter User Guide