Contactless Smart Cards, RFID, Payment, Transit and Security
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Coding in RFID systems: Sending meaningful data via radio waves

Tuesday, April 1, 2003

A revised version of this article was printed in a later issue of Contactless News. Click here to read the updated version.

In the past two lessons, we have examined the concepts of frequency and modulation. This month, we will examine coding. First a brief review of the recent building block concepts that are essential to our understanding of coding.

There are 699 words in the rest of this article …

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