The PCI-1604UP-BE is a dual RS-232 low-profile universal PCI card manufactured by Advantech. It provides two independent RS-232 ports with connections to the PCI bus. It operates as a single lane PCI Express card with a x1 link rate of 2.5 Gb/s. The PCIe interface reduces I/O latency and provides faster access to critical data. It supports up to four external RS-232 ports and multiple I/O configurations, offering your system the flexibility to use both ports simultaneously. It supports data rates from 150 to 460 Kbps and full-duplex operation. Additionally, it meets IPPC and EMI/EMC standards for extended life applications. This card is ideal for automation applications such as M2M, serial device networking, industrial automation, and process control applications.