Texas Instruments TRF7970ARHBT RF Transceiver, 32-Pin VQFN

The TRF7970A is an integrated analogue front end and data-framing device for a 13.56-MHz RFID and Near Field Communication (NFC) system.

RF Frequency Range: 13.56MHz
RF Output Power: +20dBm or +23dBm
OTA Data Rate: 106, 212 or 424kbps
Dual receiver architecture with RSSI
RF Field Detector for NFC physical collision avoidance
Adjacent reader collision detection
Programmable modulation depth
RF Field Detector with programmable wake-up levels for NFC passive transponder emulation
Host communication: parallel or serial SPI with 127-byte FIFO
Power supply: +2.7 to +5.5Vdc
Operating temperature range: -40 to +110°C
Applications: Secure access control, Product authentication, Contactless payment systems, Medical systems

RFID: ISO 15693, ISO 18000-3, ISO 14443A/B, FeliCa™ NFC: NFCIP-1 (ISO/IEC 18092), NFCIP‑2 (ISO/IEC 21481)