Vanderbilt’s Cotag Combi credentials offer the best transition path for customers upgrading to smart card technology without the need for replacing their existing installation of Cotag readers. These hybrid credentials utilize both Passive Cotag access technology and MIFARE DESFire EV2 technology. • Multi-technology credential that combines Passive COTAG and 13.56MHz smart card technology to future proof investment. • MIFARE DESFire EV2 chip provides high-speed, reliable communications with high data integrity. • Proven, Reliable Technology – Offers extremely consistent read range unaffected by body shielding or variable environmental conditions. • Durable – Strong, flexible, and resistant to cracking and breaking.