> For the complete documentation index, see [llms.txt](https://smartpossdk.gitbook.io/cloudpossdk/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://smartpossdk.gitbook.io/cloudpossdk/faq/card.md).

# Card

- [Contactless Card Distance](https://smartpossdk.gitbook.io/cloudpossdk/faq/card/contactless-card-distance.md)
- [NFC Buffer Size Understanding](https://smartpossdk.gitbook.io/cloudpossdk/faq/card/nfc-buffer-size-understanding.md)
- [Use Contactless CPU Card](https://smartpossdk.gitbook.io/cloudpossdk/faq/card/use-contactless-cpu-card.md)
- [Use Felica Card](https://smartpossdk.gitbook.io/cloudpossdk/faq/card/use-felica-card.md)
- [Use Mifare Card](https://smartpossdk.gitbook.io/cloudpossdk/faq/card/use-mifare-card.md)
- [Understand PSAM Card Exceptions](https://smartpossdk.gitbook.io/cloudpossdk/faq/card/understand-psam-card-exceptions.md)
- [Optimal Tap Positioning Guide](https://smartpossdk.gitbook.io/cloudpossdk/faq/card/optimal-tap-positioning-guide.md)