Traditional wireless charging coil have one power transfer coil and one NFC antenna. For example https://www.we-online.com/web/en/electronic_components/news_pbs/News_Detail_Standard_Parts_113040.php
In new NFC specification will be just one NFC antenna to NFC data transfer and 1W wireless charging.
This can be use to charge smart watches, fitness trackers, wireless earphones etc.
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