EXAR XR17V352 Mini PCIe RS232 Serial Adapter — 2-Port DB9 (9‑Pin) Industrial COM Expansion Card

Industrial Mini PCI‑Express serial expansion card using the EXAR XR17V352 (352) UART. Adds two RS232 COM ports with standard 9‑pin DB9 connectors to embedded or industrial systems. Mini PCIe form factor provides a compact 2‑port RS232 serial interface for legacy devices and peripherals.