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 […]