Expand your connectivity with our versatile Mini PCIE expansion card featuring the CH382L chip. Mini PCIE Expansion Card: Dual serial and print port chip for MiniPCI (PCIe) bus. Includes two asynchronous serial ports compatible with 16C550 or 16C750. Features an EPP/ECP enhanced bidirectional parallel port. Can be expanded with the CH438 chip for up to 24 serial ports. Asynchronous Serial Ports: Two fully independent asynchronous serial ports compatible with 16C550, 16C552, 16C554, and 16C750. Supports 5, 6, 7, or 8 data bits and 1 or 2 stop bits. Offers various parity and control methods. Programmable Baud Rate: Supports programmable communication baud rates up to 115200bps and 8Mbps. Expandable with CH438 chip for an additional 8 to 24 asynchronous serial ports. Extensive Compatibility: Supports modem signals (CTS, DSR, RI, DCD, DTR, RTS) and RS232 level conversion. Features automatic handshake and speed control with CTS and RTS hardware flow control. Compatible with TL16C550C. Supports serial port frame error detection and break condition detection. Enables full duplex and half duplex serial communication. SIR Infrared Codec: Built-in SIR infrared codec supporting IrDA infrared communication at baud rates from 2400bps to 115200bps.