Commonly used chip: NTAG 203, NTAG 213, NTAG 215, NTAG216, FM11RF08, Ultralight, Ultralight C, I code SLI-X, Desfire 4K/8K,ecc. Gamma di freccia: 13.0MHz~14.5MHz Protocol standard: ISO/IEC14443-A, ISO15693 Memory: according to the chip Commonly used size: 4.5×4.5mm, 8× 14 mm, Φ6mm, Φ8mm, Φ10mm, Φ15mm, Φ20mm, Φ25mm, Φ30 mm, or customized Thickness: 0.15~0.25mm Thickness with glue: 1.0~1.3mm Material: FR-4 Surface material: PCB Working mode: R/W Read/write …