射频技术漫谈,常见射频卡简介，射频识别技术漫谈(1)——概念、分类射频识别技术漫谈(2)——国际标准_潘春伟_新浪博客，射频识别技术漫谈(14)——Mifare?S50与S70的存取控制_潘春伟_新浪博客(On the common radio frequency technology, radio frequency card, a radio frequency identification (1) -- the concept and classification of radio fre