|
|
/ {: ^% h/ d( A
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; x1 e& \) O4 u- q5 u# z
Passive tags used with Frequency Hopping Tag Reading systems operating in Section 15.247.
" D1 c; T7 f. K2 @Frequently Asked Questions
6 t: v9 |! G. w) A0 T" V2 PQ: Is a passive tag subject to Certification?- V/ ? i" l" f l8 p. I
A: No, a passive tag does not contain batteries and by itself is not authorized.
% M5 Y# P7 d7 ~8 D2 \1 CQ: Are passive tags tested for Certification?: |/ h* \3 w8 i/ x
A: No, only the tag reader needs to be tested. At this time, the current technology for passive
6 U+ _' |; L, Z# Etags is such that the emission levels from the passive tags are much lower than the allowed levels
- e4 O2 b+ R. Ufor the tag reader. However, even with the low emission levels, the fundamental passive tag
0 @" w7 q% f9 oemission(s) may not operate within a restricted band just as the tag reader is prohibited from
& w/ `0 n. V, X" R! l7 o; Z( Doperating in a restricted band. The tag reader receiver should never include restricted band- a3 \* t7 i* d6 P$ P& s5 R/ y
frequencies. |
|
/1 
|关于安规|小黑屋|安规QQ群|Archiver|手机版|安规网
( 粤ICP13023453-10 ) 
窥视卡
雷达卡
发表于 2021-7-12 16:24
显身卡
楼主