Last time I checked, NFC has a range of 3 centimeters... Edit: can't reproduce t... | Hacker News

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		nubinetwork 8 days ago \| parent \| context \| favorite \| on: Eavesdropping on smartphone 13.56MHz NFC polling d... Last time I checked, NFC has a range of 3 centimeters... Edit: can't reproduce this with my android phone, sitting 6ft away from my SDR.

c10ned 8 days ago [–]

Check your software SDR gain, use higher sampling rates and make sure NFC is enabled.

Otherwise, there might be some other nuances I'm not yet aware of, such as some phones not polling on unlock. I did test iPhone 15 Pro and Pixel 7 for initial POC. Others tested modern Samsungs/Xiaomis - worked as a charm.

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