Brainboxes 1-Port RS232 (Ruggedised) PCMCIA Card. Host interface: PC Card 16-bit, Output interface: Serial RS232. Data transfer rate: 0.921 Mbit/s. Certification: UL, CE, FCC. Platform: Notebook, Connectivity technology: Wired, Compatible operating systems: Windows 98/98SE/Me/NT/2000/XP/20003