智能卡GlobalPlatform规范详细描述，其中包含安全域SCP01的详细规范，国外会议资料。-Detailed descr iption of GlobalPlatform smart card specification, which contains detailed security domain SCP01 norms, foreign conference materials.

IC卡会议签到系统/发卡/签到 IC卡充值消费系统/发卡/充值/消费-Mifare one

玩具控制板，可以做语音录音，会议录音，用SD卡做内存，1G卡可以录音900小时。-Toys, control panels, you can do voice recording, conference recording, SD card memory, 1G card can record 900 hours.