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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。) ?3 E0 [5 ^ Q9 M% _
Passive tags used with Frequency Hopping Tag Reading systems operating in Section 15.247.$ S5 I9 y+ ]* U$ Q
Frequently Asked Questions* n8 I) f Q( b
Q: Is a passive tag subject to Certification?
( \9 V6 P! G$ ^- `; nA: No, a passive tag does not contain batteries and by itself is not authorized." S& b6 U! \# }3 v
Q: Are passive tags tested for Certification?
l4 b- h# t# P# H, \% @, X' A) _A: No, only the tag reader needs to be tested. At this time, the current technology for passive: u$ z& i, s; C! _2 w2 n
tags is such that the emission levels from the passive tags are much lower than the allowed levels
( `7 D" d. J/ P5 Qfor the tag reader. However, even with the low emission levels, the fundamental passive tag
' ^- }7 z4 V0 x! @1 bemission(s) may not operate within a restricted band just as the tag reader is prohibited from
5 ]/ |6 `- |, W5 R j/ Hoperating in a restricted band. The tag reader receiver should never include restricted band/ S3 K% k5 M% G. T% \' ?
frequencies. |
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发表于 2021-7-12 16:24
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