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, obosara 8mm, size can be specified Color: black, ọcha, red, pink, oroma, green, acha anụnụ anụnụ, etc. ibu: 3 grams Optional process: ebi akwụkwọ, fuel injection, osise LOGO ma ọ bụ nọmba, fill-color Packing: 100/bag, 1000/igbe