|
|
; ^4 `6 |) V8 w0 a1 r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 \! D) c4 ^4 K9 |3 vPassive tags used with Frequency Hopping Tag Reading systems operating in Section 15.247." R, w4 E' P7 G( {: G& u
Frequently Asked Questions: o8 }# b V9 O$ ~9 }
Q: Is a passive tag subject to Certification?" S2 {9 u: O3 G" g0 F
A: No, a passive tag does not contain batteries and by itself is not authorized.
y1 I- t9 P: {& B# [Q: Are passive tags tested for Certification?
: U [. z0 ~* @7 z0 r1 c0 T, |A: No, only the tag reader needs to be tested. At this time, the current technology for passive
; H- }( w( N! U# J x* M; i. ~5 C% ?. ctags is such that the emission levels from the passive tags are much lower than the allowed levels4 V7 M0 o/ i0 v$ e# |
for the tag reader. However, even with the low emission levels, the fundamental passive tag
" j4 L- [3 o# G& Bemission(s) may not operate within a restricted band just as the tag reader is prohibited from
* E8 F3 w7 N6 o" t) soperating in a restricted band. The tag reader receiver should never include restricted band( E$ d5 I- m% o! A! P0 y; O+ c
frequencies. |
|
|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