Rugged 10/100 Ethernet CF Card from Socket is a rugged CompactFlash Ethernet card for Windows Mobile-based devices. It supports 10Base-T and 100Base-TX Ethernet through the CompactFlash interface. The location independent connectivity and ActiveSync features allow you to synchronize your mobile computer with a partner PC from any location on the same network. The Socket control panel applet shows key TCP/IP addresses plus Rugged 10/100 Ethernet CF Card's MAC address. Socket Mobility Friendly technology is the most energy-efficient in the industry.