Unverified78% confidenceFactTime unknown
RFID屏蔽层实际存在，能阻挡常见13.56MHz非接触读取，但不能替代对护照芯片的完整法拉第屏蔽测试验证
1
Sources
78%
Confidence
Long-term
Relevance
-
First Seen
Sources
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UnverifiedRFID防盗刷夹层需覆盖13.56MHz频段才能屏蔽护照电子芯片和非接触信用卡，仅标注'防磁'的产品不等于防RFID，认准明确标注'RFID Blocking 13.56MHz'90% similarUnverifiedRFID屏蔽层可阻挡13.56MHz及125kHz常见频段的非接触读取，对带芯片的银行卡、门禁卡均有效90% similarUnverifiedRFID屏蔽的原理是形成法拉第笼阻断13.56MHz（NFC/护照芯片）频段电磁波，正规防RFID产品应标注屏蔽频率范围，仅标'防RFID'无频段说明的可靠性存疑89% similarUnverifiedRFID屏蔽层需覆盖至少13.56MHz频段才能有效屏蔽护照芯片和信用卡感应，选购时确认标注为'13.56MHz RFID Blocking'而非仅125kHz（后者只防门禁卡不防信用卡）88% similarUnverifiedRFID防盗刷屏蔽层需覆盖13.56MHz频段才对护照芯片和银行卡有效，仅标注防125kHz的只能防门禁卡不防信用卡盗刷88% similar
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