Ajax Encrypted Contactless Key Fob "Tag", Black (3pcs)//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 13Compatibility: KeyPad PlusOperating temperature range: From –10°C to +40°COperating humidity: Up to 75%