Quick overview from the supplier:
Ajax Encrypted Contactless Key Fob "Tag", Black (3pcs)
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https://ajax.systems/products/tag/
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%
