Feed Entities Podcasts Deep Dives Developers About

[KongchangAI]

Real-time AI knowledge base. Every claim is traceable to its source, with data freshness under 24 hours.

Powered by 240+ first-hand AI sources

Knowledge

Feed
Hot Entities
Podcasts

Developers

CLI
MCP Server
REST API
About

© 2026 KongchangAI. The freshest, most accurate AI knowledge

Unverified85% confidenceDecision RuleTime unknown

RFID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

1

Sources

85%

Confidence

Long-term

Relevance

-

First Seen

Sources

Related Entities

RFID防盗包category

Related Claims

UnverifiedRFID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13.56MHz96% similar UnverifiedRFID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96% similar UnverifiedRFID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95% similar UnverifiedRFID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% similar UnverifiedRFID屏蔽层仅对13.56MHz非接触式卡（信用卡闪付、门禁、部分交通卡）有效，无法屏蔽125kHz低频门禁卡，且会同时屏蔽所有卡片导致刷卡需取出94% similar

Cite This Claim

Stable URI

https://kongchang.com/claim/129159

API

curl https://kongchang.com/api/v1/knowledge/claims/129159

MCP

get_claim(id=129159)