Siig CardBus 100Base-FX PC Card. Connectivity technology: Wired, Host interface: CardBus, Interface: Cardbus PC Card. Data transfer rate (max): 100 Mbit/s. Cabling technology: 100Base-FX, Maximum operating distance: 2000 m. Compatibility: PC&Notebook, Minimum processor: Pentium. Power requirements: +3.3V,0.5A, Compatible operating systems: Windows 98SE/ME/2000/XP/Server 2003, Networking features: Fast Ethernet