Commonly used chip: NTIM 203, NTIM 213, NTIM 215, NTAG216, FM11RF08, Ultral, Ultral C, I code SLI-X, Desfire 4K/8K,lwm yam. Frequency range: 13.0MHz~14.5MHz Protocol standard: ISO/IEC14443-A, ISO15693 Memory: according to the chip Commonly used size: 4.5×4.5mm, 8×14mm, Φ6mm, Φ8mm, Φ10m, Φ15mm, Φ20m, Φ25mm, Φ30mm, 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 …