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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 w- l, M g) |1 [. TPassive tags used with Frequency Hopping Tag Reading systems operating in Section 15.247.: L8 N G6 o% T6 n; K2 Y
Frequently Asked Questions
/ a( R; R6 l2 I' ?Q: Is a passive tag subject to Certification?. c1 K! z* \$ g) t7 v" r3 S5 x
A: No, a passive tag does not contain batteries and by itself is not authorized.
8 s' P& S) q; Y' c8 N }; W/ \7 Z0 yQ: Are passive tags tested for Certification?
: D9 o, ~, F9 U; o0 S, gA: No, only the tag reader needs to be tested. At this time, the current technology for passive, O) T. W7 R3 R
tags is such that the emission levels from the passive tags are much lower than the allowed levels$ o/ c. E) S* n7 ?7 I4 c
for the tag reader. However, even with the low emission levels, the fundamental passive tag3 J1 q5 b. c+ |1 I- X; Q
emission(s) may not operate within a restricted band just as the tag reader is prohibited from
+ P5 j: u0 U$ h, K* A; koperating in a restricted band. The tag reader receiver should never include restricted band
8 Q3 |0 k/ d1 Z5 V; D6 {5 Pfrequencies. |
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