3com OC LAN PC Card F+ENet PCMCIA RJ45. Host interface: PC Card 16-bit. Data transfer rate: 0.0097 Gbit/s. LED indicators: Port status. Data link protocols: Ethernet/Fast Ethernet, Management protocols: SNMP. Minimum system requirements: Microsoft Windows NT 3.51, Microsoft Windows NT 4.0, Microsoft Windows 95/98, Cable type: Ethernet 10Base-T, Ethernet 100Base-TX, Dimensions (WxDxH): 54 x 84 x 5 mm