有关RFID的资料！adio Frequency Identification Device (RFID) has been getting a ton of coverage in the press ever since Wal-mart stated that they were going to require their suppliers to tag products. Over the past few years, the ability to use RFID has gotten not only cheaper, but also easier to use. By the end of this article, you'll see just how easy it has gotten to implement a passive RFID system that hooks into your applications. I use C# and .NET in my example, but you could also use Java or several other languages to do the same thing.