Compliance · 11 min read
What FCC Part 15 and EN 300 330 actually require, and how to pre-screen before the lab.
A design that reads beautifully on your bench can still fail certification — and a failed lab visit is expensive in both money and schedule. This guide demystifies the regulatory envelope for 13.56 MHz devices and shows how to pre-screen so the lab is a confirmation, not a discovery.
Nothing here is legal advice or a substitute for an accredited test house. It's engineering guidance to improve your odds.
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