The ST ST25R3916-AQWT is a multi-protocol NFC transceiver supporting reader, initiator, target, and card emulation modes, with compliance to EMVCo 3.0 for contactless payment applications. Delivering up to 1.6 W RF output power, it features Automatic Antenna Tuning, Dynamic Power Output, noise suppression, low-power card detection, and supports SPI and I²C interfaces in a compact 32-pin VFQFPN package.