Unverified75% confidenceTradeoffTime unknown
所谓RFID屏蔽层实际防护的是13.56MHz高频信号,真正电子护照的芯片读取需近距离(<10cm)且专用设备,日常被盗刷概率极低,普通游客不必将其作为核心选购条件
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Unverified内置RFID屏蔽层可阻挡13.56MHz频段的非接触式窃读,适用于防护普通芯片信用卡和电子护照88% similarUnverifiedRFID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85% similarUnverifiedRFID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'85% similarUnverified选择带RFID屏蔽层的护照夹时,需确认屏蔽频率覆盖13.56MHz(护照/信用卡NFC)而非仅125kHz(门禁卡),否则对电子护照芯片和信用卡防盗刷无效85% similarUnverified护照RFID芯片工作在13.56MHz,与信用卡同频,防盗护照夹只要标注屏蔽该频段即可通用;但门禁卡多为125kHz低频,普通RFID钱包不一定屏蔽低频,需单独确认84% similar
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