该文档为国际标准ISO14443的翻译资料，涉及到ISO14443协议的物理特性、电气特性、接口信号、传输协议、TYPEA、TYPEB等等标准，是开发门禁、一卡通、cpu卡的必备资料。-Physical properties of the document as an International Standard ISO14443 translated information relates to ISO14443 protocol, electrical characteristics, in