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9 v' f1 {9 ^' m' Q: J* 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。+ p L9 I, [5 V/ ?$ O! ?( T
Passive tags used with Frequency Hopping Tag Reading systems operating in Section 15.247.
% \0 ^# x6 A: q0 x/ IFrequently Asked Questions
$ E, b6 S8 O1 x! vQ: Is a passive tag subject to Certification?
. W4 E" H- y2 G' ]9 Q, PA: No, a passive tag does not contain batteries and by itself is not authorized.9 ~- _. C# z" ?5 h) p
Q: Are passive tags tested for Certification?
8 }# L0 V) M- ~7 G, xA: No, only the tag reader needs to be tested. At this time, the current technology for passive
r, K: c$ J3 |. g( s) otags is such that the emission levels from the passive tags are much lower than the allowed levels. s% K& l* P7 \; {+ C& a
for the tag reader. However, even with the low emission levels, the fundamental passive tag; D$ S( B4 L- H" ~/ ~6 e7 `9 x
emission(s) may not operate within a restricted band just as the tag reader is prohibited from7 T1 n. ~! h* C2 C2 E
operating in a restricted band. The tag reader receiver should never include restricted band
6 s# s4 r4 ]# h3 n5 {. cfrequencies. |
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