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"Near Field Communication (NFC) is a set of short-range wireless technologies, typically requiring a distance of 4cm or less to initiate a connection.<a href='https://confidenceconnections.com/qa/does-nfc-drain-battery.html#qa-what-is-the-purpose-of-nfc-in-android'>read more</a>"
<https://confidenceconnections.com/qa/does-nfc-drain-battery.html>