Tag Archives: RFID HF cards

July 8, 2020

What frequency is my RFID card?

Do you know what’s the frequency is your smart card when you hold a RFID card in your hand? Do you know how to check it frequency by your smartphone? Follow me to find your answer! As we know passive RFID have three frequency: LF: 125 KHz~135KHz HF: 13.56MHz UHF: 860MHz~960MHz How to distinguish the card […]

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