RED与EMC

stey

广东安规检测
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leo720 发表于 2021-7-12 15:07
6 _$ \' |- g3 B0 Q7 {: @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.
( D2 D0 L) Q; c1 gFrequently Asked Questions
/ g" ]5 d6 j9 N' ^# m+ q; HQ: Is a passive tag subject to Certification?
A: No, a passive tag does not contain batteries and by itself is not authorized.
( z" @7 r; ?1 k3 p3 i* vQ: Are passive tags tested for Certification?
8 k. y* o+ k4 K- G5 ]9 E% ~& x! `A: No, only the tag reader needs to be tested. At this time, the current technology for passive
+ x3 F" t: L- _1 ~tags is such that the emission levels from the passive tags are much lower than the allowed levels
; p$ o5 g# `' h. {  f8 Mfor 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
) E; T; y; P3 i; F! x2 |operating in a restricted band. The tag reader receiver should never include restricted band
frequencies.

leo720

stey 发表于 2021-7-12 16:24
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。
. {" D( m) B. _0 k( |8 gPassive tags used with Frequen ...

9 K8 B1 D/ Y) Y' }% }3 y7 _好的，谢谢，但CE没有明确的文件说明对吧？