Narrow rectangular PVC RFID key fob also available with color printing and transparent resin NFC Ntag203 RFID NFC chip read and write HF 13,56 MHz ISO 14443A / NFC Type 2.
NXP Semiconductors has developed NTAG203 to be used with NFC enabled devices. NTAG operates at 13.56 MHz frequency , has 168 bytes of memory of which 144 bytes are user r/w areas, divided in 36 pages (4 bytes each), transfers data at 106 kbit/s and has a 7 byte long UID