This is a good overview (if I do say so myself) NFC vs RFID - Nipping it in the bud
But HF means High Frequency (13.56MHz) it’s the same frequency your phone uses for NFC.
This is a good overview (if I do say so myself) NFC vs RFID - Nipping it in the bud
But HF means High Frequency (13.56MHz) it’s the same frequency your phone uses for NFC.