Siemens SpeedStream PCMCIA 10/100 Ethernet Card (SS1012) SpeedStream PCMCIA 10/100 Network Card General Features: Hot-swap capability Low-power consumption 100 Mbps transfer rates 32-bit bus-mastering architecture Compact, integrated socket design (no dongle required ) Full-duplex operation on 10Base-T and 100Base-TX networks Automatic 10/100 Ethernet transmission speed sensing