microcard
Microcard is an informal term used to describe very small, card-shaped components and media used in electronics, identification, and printing. It is not a single standardized format but rather a general descriptor applied to several compact card types such as microSD memory cards, micro‑SIM telecommunications cards, and small contactless smartcards used for access control or transit.
In consumer electronics, microcards most often refer to tiny removable flash memory cards that evolved from
For identification and security, the term can describe compact smartcards or NFC tags that carry credentials
Advantages of microcards include space savings, portability, and compatibility with small devices. Limitations include mechanical fragility,
Because "microcard" is a generic label rather than a specific standard, precise capabilities and compatibility depend