Cisco-Linksys WCF12 Wireless-B Network CompactFlash Card (Type I) Compatible with Windows CE 3.0 or higher Up to 11 Mbps high-speed data transfer rate with automatic fallback User-friendly software provides simple installation and configuration Compliant with 802.11b, DSSS, 2.4 GHz Standard Supports up to 128-bit WEP encryption security