38200.62.WH1 # 38200 | Ajax MultiTransmitter Jeweller white is a professional module designed to integrate third-party wired detectors into Ajax security systems, offering an ideal solution for modernizing existing installations. It supports up to 18 inputs for wired devices , allows connections up to 400 meters in length , uses two-way, encrypted Jeweller radio communication , and ensures full management via the app with advanced notifications and automation scenarios . Thanks to 3EOL support and local and remote configuration via the PRO app, it ensures maximum installation flexibility and operational reliability in professional contexts. Ajax
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38200.62.WH1 | Wireless Module for Connecting Up to 18 Third-Party Devices to the Ajax System

The Ajax MultiTransmitter Jeweller, 38200.62.WH1, white, is a professional module designed to integrate third-party wired detectors into Ajax security systems, offering an effective solution for modernizing existing systems without replacing existing sensors. Thanks to secure radio communication and advanced management via the app, Jeweller enables remote control, detailed notifications, and the creation of automation scenarios, ensuring reliability and flexibility in residential and professional settings.
Main specifications:
- Integration of third-party wired sensors with Ajax systems
- Up to 18 inputs for wired devices
- Two-way, encrypted Jeweler communication
- 3EOL support for wide detector compatibility
- Wired connections up to 400 meters
- Local and remote configuration and management via the Ajax PRO app
Further details
Technical data sheet
| 38200.62.WH1 | |
| 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) | up to 25 mW Automatic power control to reduce power consumption and radio interference. |
| Radio signal modulation | GFSK |
| Radio signal range | Up to 2,000 m Between the detector and a hub (or radio signal range extender) in an open space. |
| Encrypted radio communication | All the data stored and transmitted are protected by block encryption featuring a dynamic key. |
| Frequency hopping | To prevent radio interference and jamming |
| Wired devices connection | |
| Number of zones | 18 wired zones Multiple devices can be connected to one zone. The number of connected devices depends on their power consumption. |
| Type of connection | NC, NO, EOL MultiTransmitter Jeweler with a firmware version lower than 2.13. NC, NO, EOL, 2EOL, 3EOL 2EOL and 3EOL connection types are only available for MultiTransmitter Jeweler with the firmware version 2.13.0 or later. The integration module should be added to a compatible hub running on OS Malevich 2.13 or later. If Hub (4G) Jeweler is used, the control panel should be updated to OS Malevich 2.28 or later. |
| EOL resistance | from 1 kΩ to 7.5 kΩ with 100 Ω increment MultiTransmitter Jeweler with a firmware version lower than 2.13. EOL resistance is measured automatically in the Ajax PRO apps. from 1 kΩ to 15 kΩ for each resistor, up to 30 kΩ of total resistance MultiTransmitter Jeweler with a firmware version 2.13 and higher. Resistance is measured automatically for each EOL resistor in the Ajax PRO apps. |
| Cable length | up to 400 m When using a signal cable with a 0.22 mm² copper-clad aluminum conductor. |
| Operation mode | pulse, bistable Adjusted by a PRO or user with admin rights in the Ajax app. |
| Event types | 15 event types of wired devices
|
| Recommendations | The device is powered by the 100–240 V~ mains and designed for indoor use only. |
| Sabotage protection | |
| Tamper alarm | Two tampers to detect the MultiTransmitter Jeweler casing opening and alert about detachment from the wall. |
| Protection against spoofing | device authentication |
| Communication loss detection | after 36 s Detection time depends on the Jeweler or Jeweller/Fibra settings |
| Instant detection of wired connection loss, short circuits, and malfunctions | when using EOL/2EOL/3EOL connection type Depends on the connection type |
| Power supply | |
| MultiTransmitter Jeweler power supply | 100–240 V, 50/60 Hz |
| Type | type A Power supply is used inside the supervised premises |
| Device's operating voltage range | 100–240 V~, 50/60 Hz |
| Quiescent device's current consumption at nominal voltage | 14.6 mA |
| Maximum device's current consumption at nominal voltage | 69.6 mA |
| MultiTransmitter Jeweler backup power supply | 12 V⎓, up to 7 Ah capacity with a full charge cycle of up to 30 hours MultiTransmitter Jeweler average consumption from the backup battery after the main power supply loss is up to 33 mA (without detectors). When using a 7 Ah battery, the minimum operating time at a maximum load of 1 А will be 7 hours. For autonomous work for 12 or 24 hours, the maximum load should be no more than 0.55 A and 0.28 A, respectively. The backup battery is not included in the set. |
| Low battery voltage | 11.4 V⎓ |
| Low battery recovery voltage | 12.9 V⎓ |
| End-of-life battery voltage | 11.1 V⎓ |
| Maximum output peak-to-peak ripple battery voltage | 50 mV⎓ |
| Minimum backup battery energy level in the charged state | 100% |
| Connected devices power supply | 10.5–15 V⎓, up to 1 A of total maximum current consumption Two power lines powered by MultiTransmitter Jeweler for other devices. One power line for fire detectors |
| Enclosure | |
| Color | White |
| Dimension | 192 × 238 × 100 mm |
| Weight | 802 g |
| Operating temperature range | from −10 °C to +40 °C from 14 °F to 104 °F Temperature range from 32 °F (0 °C) to 120 °F (+49 °C) is certified according to UL/ULC standards |
| Operating humidity | up to 75% |
| Protection class | IP40, IK06 The new casing version of MultiTransmitter Jeweler has light guides for the integration module LED indication, while the previous version has the LED indicator on the board |
| Complete set | MultiTransmitter Jeweler board Casing Power cable Screw terminal block Adapter (only for INCERT compliance) 12 V battery connection cable Installation kit Casing Quick start guide |
| Warranty | 24 months |



