38232.90.WH #38232 - The white Ajax Tag , available in a practical pack of 3 , is a contactless key fob designed to quickly and securely control the security modes of the Ajax system, ensuring maximum convenience of use. Thanks to DESFire® technology with Triple DES and 128-bit AES encryption , it ensures highly protected authorization, resistant to copying and with the possibility of enabling two-factor authentication for superior security. Each Tag can be associated with up to 13 Ajax systems , with permission management from the app to change, limit or revoke access in real time, keeping a complete record of activities in the event log. Anti-sabotage protection , with defense against interception and advanced authentication, ensures reliable use even in critical contexts. The compact and lightweight design integrates easily into everyday use while maintaining full compatibility with the KeyPad Plus, KeyPad TouchScreen and S Plus models of the Ajax system.
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38232.90.WH | CONTACTLESS KEYCHAIN FOR CONTROLLING SECURITY MODES - PACK OF 3

The Ajax Tag, 38232.90.WH, white, available in a pack of 3 , is a contactless key fob designed to ensure simple, fast and secure control of the Ajax system security modes. Thanks to DESFire® technology with Triple DES and 128-bit AES encryption , the device ensures highly secure authentication, preventing copying or attempts to intercept the signal. Each Tag can be associated with up to 13 Ajax systems , with complete permission management directly from the app, where you can change, limit or revoke access in real time and track every use via event logs. Anti-sabotage protection , combined with the ability to activate two-factor authentication (Tag + code), offers a superior level of security for residential or professional environments. The compact, lightweight and durable design makes the Tag ideal for everyday use and perfectly compatible with KeyPad Plus, KeyPad TouchScreen and other Ajax keypads.
Main specifications:
- DESFire® technology with advanced encryption for maximum security
- Compatibility with up to 13 Ajax systems for multi-user management
- Anti-sabotage and anti-copy protection with secure authentication
- App management with real-time permission changes
- Support for double authentication (Pass + Code)
- 3-piece pack ideal for multi-user environments
Further details
✅ Device Compatibility :
The Ajax Tag is compatible with the KeyPad Plus Jeweller, KeyPad TouchScreen Jeweller, KeyPad TouchScreen Fibra, and KeyPad S Plus Jeweller keypads, ensuring immediate integration with all Superior, Fibra, and Baseline lines. Thanks to the ability to be paired with up to 13 Ajax hubs , the device is ideal for users who need to manage multiple systems or locations with a single contactless key fob.
✅ Contactless authorization:
Authentication is performed using DESFire® technology, compliant with the ISO 14443-A standard at 13.56 MHz, offering fast, contactless and highly secure access. The combination of Triple DES and 128-bit AES hardware encryption prevents any attempts at cloning or interception of the signal, making the Tag a reliable access system also suitable for professional contexts.
The Tag allows you to configure its name and permissions directly from the Ajax app, with the ability to change, limit, or revoke access in real time. Every use is tracked in the event log, providing a complete history of actions. Its compact size (45 × 32 × 0.6 mm) and weight of just 7 g make it convenient to carry, while compatibility with packs of 3, 10, or 100 pieces makes it perfect for both families and businesses.
The Tag integrates an advanced authentication system that prevents the use of unauthorized devices, protects against data copying, and defends against signal interception. It also supports dual authorization (Tag + code), significantly increasing system security and reducing the risk of fraudulent access even in critical situations.
Technical data sheet
| 38232.90.WH | |
| Compatibility | |
| Device compatibility | KeyPad Plus Jeweler KeyPad TouchScreen Jeweler Superior KeyPad TouchScreen Fiber KeyPad S Plus Jeweler |
| Contactless authentication | |
| Communication technology | DESFire® |
| Operating standard | ISO 14443-A (13.56 MHz) |
| Encryption | Triple DES encryption and AES hardware encryption with 128-bit key. |
| Key features | |
| Possibility to assign the user | Set the name and access permissions for each card in an Ajax app. |
| Control security modes | Manage security modes without a password, account, or access to an Ajax app |
| Control via smartphone | In an Ajax app, the user can set the necessary key fob settings and view a detailed event log. |
| Simultaneous work with several hubs | One Tag can be paired with up to 13 Ajax hubs simultaneously. |
| Recommendations | When using Tag, do not place other cards next to it. This may interfere with the correct operation of the device. |
| Sabotage protection | |
| Device authentication | Signal interception protection |
| Enclosure | |
| Color | White |
| Dimension | 45 × 32 × 6 mm 1.77" × 1.26" × 0.24" |
| Weight | 7 g 0.25 oz |
| Operating temperature range | from −10 °C to +40 °C from 14 °F to 104 °F |
| Operating humidity | up to 75% |
| Complete set | 3 devices (depending on the kit) Quick start guide |
| Warranty | 24 months |



