This part of ISO/IEC18328 defines physical characteristics and test methods for cards with devices, including but not limited to power supplying devices, displays, sensors, microphones, loudspeakers, buttons or keypads. This part of ISO/IEC18328 also covers aspects of coexistence of technologies of devices on the card and other machine readable card technologies.
Additional requirements related to biometric capture devices are defined in ISO/IEC17839‑2. Such requirements may be applied in addition to the ones defined in this part of ISO/IEC18328.