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9 x3 q! b" f, O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。; f7 A9 L8 S) S
Passive tags used with Frequency Hopping Tag Reading systems operating in Section 15.247.
# j( [3 y; @3 _3 JFrequently Asked Questions( I3 C+ R3 H* D6 d, @
Q: Is a passive tag subject to Certification?
7 l* F- V& ~' n* Y* }4 n3 GA: No, a passive tag does not contain batteries and by itself is not authorized.
- _7 a7 L! V! Q# |, [- F2 p) QQ: Are passive tags tested for Certification?0 @3 T$ S7 W( ]0 Z- W* B7 H
A: No, only the tag reader needs to be tested. At this time, the current technology for passive& s5 ?, _" M+ y! F# d
tags is such that the emission levels from the passive tags are much lower than the allowed levels4 ~3 R" K, Q9 ]: b4 B: Z
for the tag reader. However, even with the low emission levels, the fundamental passive tag
( s/ |- t2 p/ [2 R( s% L' q8 G% Iemission(s) may not operate within a restricted band just as the tag reader is prohibited from
, b8 e1 r# L- S3 w8 Toperating in a restricted band. The tag reader receiver should never include restricted band7 o0 S, ~7 S. a5 n- M0 T- ^9 ]
frequencies. |
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