RED与EMC

stey · 发表于 2021-7-12 16:24

leo720 发表于 2021-7-12 15:07
& r+ B+ y" p2 B' K! ^# p+ j; S: n0 X你意思是NFC贴纸是个无源天线吗？我感觉它更像个光盘类的东西，可以读写，需要运用了无线技术

这种产品就属于无源天线，FCC已经明确无源NFC天线无需认证，CE也如此。
Passive tags used with Frequency Hopping Tag Reading systems operating in Section 15.247.
Frequently Asked Questions
Q: Is a passive tag subject to Certification?
A: No, a passive tag does not contain batteries and by itself is not authorized.
Q: Are passive tags tested for Certification?
A: No, only the tag reader needs to be tested. At this time, the current technology for passive
tags is such that the emission levels from the passive tags are much lower than the allowed levels
for the tag reader. However, even with the low emission levels, the fundamental passive tag
emission(s) may not operate within a restricted band just as the tag reader is prohibited from
operating in a restricted band. The tag reader receiver should never include restricted band
frequencies.

leo720 · 发表于 2021-7-13 09:51

stey 发表于 2021-7-12 16:243 m. M/ n f G# X7 Q
这种产品就属于无源天线，FCC已经明确无源NFC天线无需认证，CE也如此。
5 U \ H# n/ ]# Y5 l) f3 U) iPassive tags used with Frequen ...

好的，谢谢，但CE没有明确的文件说明对吧？

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[RF产品] RED与EMC

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