【CAC Military Card Compatibility】This USB type A DOD Military CAC Smart Card Reader is for CAC, Government ID, PIV Card, Credit Card, National ID, ActivClient, AKO, OWA, DKO, JKO, NKO, BOL, GKO, Marinenet, AF Portal, Pure Edge Viewer, ApproveIt, DCO, DTS, LPS, Disa Enterprise Email,etc. | 【System Compatibility】The USB Type A CAC card reader can be used with almost all contact chip cards and PC operating systems,multi-system compatibility to facilitate different computer switching such as Windows XP /98 / Me / 2000 / NT 4.0 / CE / Vista / 7/8 / 8.1 / 10 / 11, Linux, Mac OS 10.6 -10.10,etc. | 【SIM Card Compatibility】This USB C CAC reader is also compatible with old-style phone SIM card. But please note SIM Card can be compatible with Windows Only. | 【Strong Security】Great for use in high-security federal government applications, online banking and credit card payment apps, Windows authentication and Single Sign-On (SSO), Network login, and much more. Securely transmit your information. | 【We Promise】If you have any dissatisfaction with product. You can contact us freely on Amazon,we will reply to you within 24 hours. Hoping you have a pleasant online shopping experiences.