Main technical parameters Communication protocol: ISO 14443 TypeA Induction frequency: high frequency 13.56MHz Package IC chip: NTAG213, FM11RF08, or specify Working temperature: -20°C~+80°C Dimensions: inner diameter 20mm, 8mm lled, size can be specified Color: du, Gwyn, Coch, pinc, orange, wyrdd, glas, ac ati. pwysau: 3 grams Optional process: argraffu, chwistrellu tanwydd, LOGO neu rif engrafu, fill-color Packing: 100/bag, 1000/box Notice: JavaScript …