The ProdataKey Red? Key Fobs and Printable Cards are High-Security smart credentials (13.56 MHz) with a low profile and durable design. ProdataKey Red? products lead the industry in secure mobile, and encrypted credential communication protocols. High-Security credentials with (13.56MHz) MIFARE? DESFire? EV2 encrypted technologies. Add prox (125kHz) for extra convience. Choose from printable cards, key fobs, mag-stripe cards, and even mobile credentials. Powered by pdk.io, the only true cloud access solution. Take advantage of real-time updates, cloud backup, 24-hour support, and more. (subscription required).Main FeaturesMemory Size 4KSecurity Level EAL 5+Encryption MIFARE DESFire EV2General InformationName: ProdataKey RC Red High-Security Printable Card, 13.56 MHz, Desfire EV2, 25-Pack, ProdataKey, LLC, ProdataKeyCategory: ProdataKey, Access Control, Control Panels, Control PanelsUPC Code: 850016583574Country of Origin: United States. Country of origin is subject to change.