Superseded90% confidenceDecision RuleTime unknown
普通IC/ID门禁读卡器读卡距离约3-8cm，需贴卡刷；远距离读卡器(UHF 900MHz)可达数米但需专用远距离卡，适合停车场车辆识别，不能混用
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Long-term
Relevance
-
First Seen
This knowledge claim has been superseded by newer content
IC卡（13.56MHz）和ID卡（125kHz）频率不同，纯ID读卡器无法读IC卡，反之亦然；小区门禁多为IC卡(Mifare)，老旧单位门禁多为ID卡，购买前需确认卡片频率或选IC/ID双频读卡器Sources
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