... SAM socket for enhanced security, expandable on request3. Multi-interface: RS232, RS485, USB 2.0, TTL, SPI, Clock & Data / ... MAC; WinCE / CE.net9. Firmware upgradable10.Firmware customized design to meet various requirement Application1. Embedded device, such as Handheld ... ) Testing tags (8) RS232-RS485 converter module 13.56MHz NFC rfid reader module with ISO7816 SAM to R/W Mifare Plus, Mifare, ...