Contactless Memory-Cards:

Completely sealed without any contact
Inductive transmition of data and power
High storage capacity (up to 8MByte)
Fast and reliable transfer protocol
Simple interface to µC, µP, Í/O Chip, serial Interface
Software support and ready to use software for: Windows3.11, Windows95, DOS
Desktop-version with serial connection available
High speed (up to 250,000 bps)
Flash-EPROM, SRAM, or PEROM storage technology