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Encrypted contactless key fob for keypad plus


Quick access to the security system 🚀

To disarm the security system, just present Tag to the reader on the keypad. This copy-protected key fob allows you to manage security modes without a password, user account and access to the Ajax app.

Top-tier data protection 🔝

To identify users quickly and securely, KeyPad Plus features the DESFire® technology. It is the best-in-class contactless solution to identify the user by card or key fob.

DESFire® is based on the ISO 14443 international standard and combines comprehensive 128-bit encryption and copy protection. This technology is also used in transportation systems of European capitals and access systems at NASA.

One key for home and office 📍

One Tag can be connected to 13 hubs


Full control in the app 📱

In the app, you can set the name and access permissions for each key fob. You always know who and when changed the security mode — every action is recorded in the event log.
A system administrator can revoke or restrict Tag access permissions in real time.
  • Flexible settings of access permissions

  • Informative notifications

Effortless connection 📶

To add Tag to the system, all you need is to open the Ajax app, go into the settings and present the key fob to the keypad.


Specifications 🤓

Communication technology: DESFire®

Operating standard: ISO 14443-А (13.56 MHz)

Encryption:  +

Authentication:  +

Protection from signal interception:  +

Possibility to assign the user:  +

Maximum number of bound hubs: Up to 13

Compatibility: KeyPad Plus

Operating temperature range: From –10°C to +40°C

Operating humidity: Up to 75%

Overall dimensions: 45 × 32 × 6 mm

Weight: 7 g