#Hardware Specification

#Keycard

Keycard applet runs on any JavaCard 3.0.4+ (see applet installation)

We use for manufacturing:

• model: NXP JCOP4
• interfaces: NFC, ISO7816
• EAL6+ certified

#Keycard Shell

• MCU: STM32H5
• interfaces: 12-key keypad, power button, TFT color display, camera, smartcard reader, USB-C
• battery: replaceable BL-4C
• flash map: 2MB dual-bank flash, with 32KB bootloader + 608KB firmware + 384KB data per bank
• more details: hardware files, schematics, and firmware sources are in the Keycard Shell repo.