The STMicroelectronics ST25R3916B-AQWT is a universal 13.56 MHz NFC/RFID reader IC supporting standards such as NFC-A/B/F/V, ISO 14443A/B, ISO 15693, FeliCa, and MIFARE at up to 848 kbit/s. Fully EMVCo 3.1a compliant, it integrates advanced RF features like Dynamic Power Output, Active Wave Shaping, Automatic Antenna Tuning, and Noise Suppression, with low-power card detection, wide 2.4–5.5 V operation, and SPI/I²C interfaces in a compact 32-pin VFQFN package.