Pretec 56k Compact Flash Modem for PDA/Pocket PC & portable devices w/CF slot Data Modem: TE speed: up to 115200; Fax Modem: Send and receive up to 14.4kbps the world's first smallest 56Kbps modem card for Pocket PC Windows 98, ME, 2000, XP, PocketPC 2002, 2003 Software Platform: Windows 98, ME, 2000, XP, PocketPC 2002, 2003 Connect to a standard (analog) phone line and you're ready to go