... also select different sheet formats such as 3x7, 5x5,3x8,4x8,4x6,2x5,2x4 or other customized layouts. To facilitate card production, our ... x297, Layout3x7, 5x5,3x8,4x8,4x6, 2x5,2x4, or any Customization of CR80 card or any unit antenna sizeThicknessHF normal 0.45mm,0 ... the best working performance no matter for the reading distance, or the card's surface; also, the cost of pre-winding is ...