ST25R High Performance NFC/RFID Readers STMicroelectronics ST25R High-Performance NFC/RFID Readers are HF and NFC reader solutions that reduce design complexity and cost. The ST25R is ideal for challenging applications with features like Automatic Antenna Tuning (AAT), capacitive wakeup, and Dynamic Power Output. The readers offer solutions for cost-sensitive applications like gaming, access control, and metering. The ST25R family is part of ST's comprehensive range of NFC and RFID solutions.