When it comes to access control cards and credentials it is difficult to have a discussion about technology without considering some of the seemingly contradictory trends in the marketplace. For example, the largest installed base of cards is proximity — a 20-year-old technology with known security issues. Yet in an industry that often seems to move at a glacial pace, the credential space is filled with some of the hottest buzzwords inside and out of the security industry, including Near Field Communications (NFC), Bluetooth, biometrics and even wearables such as the Apple Watch.

Yale Locks & Hardware’s NFC residential door lock can be operated with the tap of a smartphone app.