PCI Serial Card - Car - RS-232 Adapter Cards for ULTRAPORT4 (PC/104) is a high-quality adapter card designed to provide flexible serial connectivity options. It supports various serial interfaces, including RS-232 and other compatible protocols, allowing users to connect devices such as modems, serial printers, or terminals via the motherboard's PCI slot. This versatile adapter card is particularly suited for use in embedded systems, industrial control applications, and other environments where reliable serial communication is crucial. Its compact size (PC/104) makes it an ideal choice for space-constrained projects.