scope:

This part of ISO/IEC 17839 defines the following: - dimensions of a Biometric System-on-Card type S1 and type S2; - position and size of the biometric capture device; - minimum requirements to a Biometric System-on-Card with respect to - mechanical durability, and - man-machine-interface and ergonomics. The standardization of other on-card devices such as an electronic display or a keypad is outside the scope of this part of ISO/IEC 17839.