Sealevel SeaLINK Ruggedized USB to 1-Port RS-232 DB9 Serial Interface Adapter, High-Speed 921.6 Kbps Max Data Rate, Authentic FTDI Chipset Easily connect your computers USB port to any RS-232 serial peripheral. Glitch-free USB to RS-232 serial communications using authentic FTDI ICs. Widely trusted for connecting critical military and maritime navigation systems. Supports data rates to 921.6 Kbps and all modem control signals implemented on DB9M connector. Includes SeaCOM software for Windows and Linux. Made in the USA. Backed by a Lifetime Warranty and industry leading technical support.