Belkin CardBus Network Card. Connectivity technology: Wired, Host interface: CardBus. Data transfer rate (max): 100 Mbit/s. Data link protocols: Ethernet, Fast Ethernet. Compliance industry standards: IEEE 802.3, IEEE 802.3U, Form factor: Plug-in, Compatible operating systems: Microsoft Windows 98, 2000, Me, XP. I/O ports: 1 x RJ-45 1 x CardBus - type II