Hid Global's Sio-Enabled Mifare® Desfire® Ev1 + Proximity Cards Are Part Of The Next-Generation Access Control Platform And Open Ecosystem Based On Hid's Trusted Identity Platform® (Tip™) Architecture. Hid Global's New Access Control Platform Extends Beyond The Traditional Smart Card Model To Offer A Secure, Standards-Based, Technology-Independent And Flexible Identity Data Structure Based On Secure Identity Object™ (Sio), Hid's New Portable Credential Methodology. The Mifare Desfire Ev1 + Proximity Smart Card 13.56 Mhz Read/Write Contactless Smart Card Technology Can Be Used For Diverse Applications Such As Physical Access Control, Pc Logon, Biometric Verification, Time And Attendance, Cashless Vending, Public Transportation, Airline Ticketing And Customer Loyalty Programs.