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 lebar, size can be specified Color: hitam, putih, merah, merah jambu, orange, hijau, biru, dan lain-lain. Berat: 3 grams Optional process: percetakan, suntikan bahan api, ukiran LOGO atau nombor, fill-color Packing: 100/beg, 1000/kotak