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8 A! {: |' D! K1 I1 w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。
& b/ S9 J/ d. y! v6 jPassive tags used with Frequency Hopping Tag Reading systems operating in Section 15.247.
' [/ s( P4 ~) kFrequently Asked Questions
8 q* n. G% V4 X6 N; @, lQ: Is a passive tag subject to Certification?( i. }& A+ c$ N2 x; Z
A: No, a passive tag does not contain batteries and by itself is not authorized.& ]( q2 j; Q& z& N8 j
Q: Are passive tags tested for Certification?. {: T+ f" W( H n' U1 j3 C
A: No, only the tag reader needs to be tested. At this time, the current technology for passive1 h2 N0 G/ y2 y( h4 c9 E
tags is such that the emission levels from the passive tags are much lower than the allowed levels
# Q/ L( m6 d, E2 P9 d& afor the tag reader. However, even with the low emission levels, the fundamental passive tag
* q& \/ K$ `- v6 {+ c+ {emission(s) may not operate within a restricted band just as the tag reader is prohibited from
' s& G/ G, G r& ~operating in a restricted band. The tag reader receiver should never include restricted band/ F7 `$ q8 P5 c* B
frequencies. |
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