Chip Features: 1. Contactless transmission of data and delivers energy 2. Data integrity for 16-bit CRC, parity, bit encoding, bit counting 3. Working distance up to 100 mm (depending on various parameters such as field strength and antenna gain) 4. 7-byte serial number (cascade level 2 according to ISO / IEC 14443-3) 5. UID ASCII mirror for automatic serialization of NDEF messages 6. NFC counter ASCII mirror for automatic addition of the NFC counter value to the NDEF message 7. True anti-collision Specifications: NFC NTAG213 Transparent Stickers Chip: Genuine Ntag213 Usable Capacity: 144 bytes Protocol: ISO14443A Working Frequency: UHF860~960MHz Data Transfer: 106 kbit/s Diameter: 98*12mm Material: PE Adhesive Packaging: 10pcs per batch Application: This chip supports writing URLs inside. Package Includes: 10 pcs stickers Note: 1. Please allow 1-3 cm error due to manual measurement. 2. Colors may be different for different displays, please understand.