SanDisk SDWSDB-000-768 Wireless 802.11b SD Card w/PC Card 11 Mbps High Speed Data Transfer Rate Supports thousands of devices running Pocket PC, Pocket PC 2002, WinCE 3.0+, and Windows 98SE,NT,ME,2000,XP Battery optimized for lowest power and highest performance Powerful and easy to use security feature makes WEP encryption easy Wi-Fi compatible - use any Wi-Fi (aka 802.11b) access point