Dual Frequency Ring (NTAG216 + T5577)

Our dual frequency ceramic ring has a very nice black finish with simple chamfer edge. Inside are an NTAG216 13.56MHz NFC Type 2 chip and a T5577 125kHz RFID chip. The NFC side can be used with ISO14443A RFID systems and also with NFC readers like NFC enabled smartphones for data sharing applications like digital business cards, opening a website when scanned, etc. The RFID side with T5577 chip can be programmed with our Proxmark3 Easy to emulate a large array of common 125kHz work badges, key fobs, and access cards.