The SCR3310 smart card reader supports multiple security applications including PKI, digital signature and personal identification, all in a compact, mobile device. SCR3310v2.0 USB Smart Card Reader Part No: 905331 Identiv's SCR3310v2.0 is a small and ergonomic USB smart card reader with backside mounting holes. Full support and compliance to EMV 2011 and GSA FIPS 201 expands daily use to applications requiring additional security and data protection. It can also be used for PIV, PIV-I, TWIC and other federal governemnt ID cards. The SCR3310V2 is a widely used 'CAC Reader' for the Department of Defense Common Access Card (CAC Card). Smart Card Reader Scr3310 Driver Download.