LINKSYS PCMPC100 PC Card Type: PCMCIA Ethernet Adapter Standards: IEEE802.3, IEEE802.3u Max Data Rates: 10/100Mbps Ports: RJ-45 Interface: 16-Bit PCMCIA Humidity: 10% to 85% Non-Condensing Temperature: 32ºF to 122ºF (0ºC to 49ºC) Dimensions: 3.4� x 2.1� x 0.2�