Socket's Serial I/O PC is an add-on serial adapter card, which easily adds an RS-232 port to your Windows- or Linux- based devices via PCMCIA (PC Card Type II) slot. It comes with Hi-Speed COM Tools and drivers, which enable users to re-map legacy baud rates to higher speeds, such as 230.4, 460.8, or 921.6 Kbps. The 16550-compatible UART provides internal data buffering to utilize full bandwidth of RS-232 peripherals. The unit also includes a 12" removable male DB-9 connector cable. Serial I/O PC features an exclusive battery-friendly design, which maximizes the battery life of your mobile device.