Ajax Tag Black

Quick overview from the supplier:

Ajax Encrypted Contactless Key Fob "Tag", Black (3pcs) // 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%