NFC Stickers equipped with NXP NTAG213 Chip.
NTAG213 Stickers Technical Specifications Integrated Circuit (IC): NXP NTAG213 Air interface protocol: ISO 14443 A Operation Frequency: 13.56 MHz Memory: 144 bytes Operating temperature: from -25°C to 70°C / from -13°F to 158°F ESD voltage immunity: ±2 kV peak HBM Bending diameter: > 50 mm, tension less than 10 N Model: Circus NTAG213 Dimensions Antenna size: 20 mm / 0.787 inches