> For the complete documentation index, see [llms.txt](https://docs.satoshiterminal.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.satoshiterminal.io/documentation/hardware-documentation/biometric-device.md).

# Biometric Device

- [Satoshi Terminal Personal Authentication Device (B-Unit 5)](https://docs.satoshiterminal.io/documentation/hardware-documentation/biometric-device/satoshi-terminal-personal-authentication-device-b-unit-5.md)