Cisco-Linksys PCMPC100 EtherFast 10/100 PC Card Connects almost any notebook PC to 10BaseT or 100BaseTX networks Runs in half- and full-duplex modes at speeds of 10 Mbps to 200 Mbps Automatically senses and negotiates cabling duplex, polarity, and speed Low 5 volt/260 mA power consumption and automatic 60 mA Sleep mode Hot swappable--insert or remove from PC without powering down