Designer Kim Otto took a Siemens refrigerator and replaced the existing flat screen with a touch screen panel PC, then added an RFID tag reader.
设计师Kim Ot to拿一台西门子冰箱做试验，把原来的平面显示器换成了一台触摸屏电脑，并且增加了一个RFID标签识阅读器。
A typical radio frequency identification (RFID) system consists of three parts: tag, reader and antenna.
射频识别系统一般由三部分组成：电子标签(射频卡)、读取器和天线。
For military applications, the reader and tag could theoretically be separated by a kilometer or more.
军事应用，该阅读器和标签理论上可以分开的一公里或更多。
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