Unverified80% confidenceDecision RuleTime unknown
RFID屏蔽层需覆盖13.56MHz(NFC/银行卡)和125kHz(部分门禁卡)双频段才算完整防护,仅标注'防RFID'而不标频段的产品通常只屏蔽13.56MHz
1
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80%
Confidence
Long-term
Relevance
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UnverifiedRFID屏蔽层需覆盖13.56MHz(NFC/信用卡)与125kHz(门禁卡)两个频段才算全面防护,仅标注单一频段的产品无法防护部分门禁卡与老式非接触卡96% similarUnverifiedRFID防盗刷层需覆盖13.56MHz高频段(信用卡/护照芯片频段),仅标注125kHz的产品只能防门禁卡,无法保护银行卡,认准‘13.56MHz屏蔽’或‘全频段RFID Blocking’标识96% similarUnverifiedRFID屏蔽层实测有效频段应覆盖13.56MHz(银行卡/门禁NFC)和125kHz(部分门禁/证件),仅标注'RFID防盗'而未说明频段的产品对老式ID卡未必有效95% 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)95% similarUnverifiedRFID防护卡套需覆盖13.56MHz(银行卡/门禁/身份证)频段才有实际防护意义;仅标注125kHz低频屏蔽的产品对非接触信用卡NFC支付无保护作用94% similar
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