RED与EMC

stey

广东安规检测
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leo720 发表于 2021-7-12 15:07
$ P  S  u% [; C; ^4 _  o7 M% v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。
* y8 h: x# A: pPassive tags used with Frequency Hopping Tag Reading systems operating in Section 15.247.
; r0 X7 P. {4 i- U! w! n* uFrequently 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.
, m9 b/ ^) `8 J! x- d- u( }Q: Are passive tags tested for Certification?
1 G9 h. f9 b3 VA: No, only the tag reader needs to be tested. At this time, the current technology for passive
2 j; a6 q2 {& }/ Etags is such that the emission levels from the passive tags are much lower than the allowed levels
9 [( m1 ]0 t) Hfor the tag reader. However, even with the low emission levels, the fundamental passive tag
- q1 j, `) _; s: ^% Bemission(s) may not operate within a restricted band just as the tag reader is prohibited from
3 L0 r. c) s2 _& U/ poperating in a restricted band. The tag reader receiver should never include restricted band
$ M& B, m' J8 q% |& Ofrequencies.

leo720

stey 发表于 2021-7-12 16:24
, G, t* L; w; W' g, a" G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 Frequen ...

2 x$ j5 H$ l4 A8 [好的，谢谢，但CE没有明确的文件说明对吧？