Joke Collection Website - Bulletin headlines - What's the name of the card behind the transparent mobile phone case?
What's the name of the card behind the transparent mobile phone case?
The card placed behind the transparent mobile phone case is called a souvenir card.
Mobile phone battery is NFC battery, and the work of NFC battery and RFID card has nothing to do with the magnetism of the mobile phone itself or its surroundings. Several RFID tags were placed in the magnetic field of 1.5T for 5 minutes, 10 minutes, 30 minutes and 1 hour, respectively, and it was found that the coil had heating effect.
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