ST25R3920B Automotive NFC Reader STMicroelectronics ST25R3920B Automotive NFC Reader is a high-performance NFC universal device supporting NFC initiator, NFC target, NFC reader, and NFC card emulation modes. Designed for CCC (Car Connectivity Consortium) digital key applications, the ST25R3920B enables fast product development for car access and start applications. The device also enables additional functionality, like pairing or NFC card protection combined with a Qi charger. Being very robust and noise tolerant while at the same time reducing electromagnetic emission, the device works even under harsh conditions, enabling an easier certification.