ST25-TAG-BAG-UB NFC Tag & Evaluation Kit STMicroelectronics ST25-TAG-BAG-UB NFC Tag and Evaluation Kit is a ready-to-use tag set containing tags based on NFC Forum Type 5 tag ICs (ST25TV02K and ST25TV02KC) or NFC Forum Type 4 tag ICs (ST25TA02KB and ST25TA64K). The ICs utilize antennas of different sizes and materials, with advanced designs (like tamper detect or connection with LEDs) to address various applications.