circuito integrato opzionale: EM4305, T5557, T5577, 5200 Frequenza: 125Capacità di stoccaggio KHz: 512bit Size: 43× 30 × 5 millimetri o 50 × 30 × 5 millimetri, Can customized Read and write distance: 2~ 10 centimetri, depending on the reader and the application environment Working temperature: -20℃~+80℃ Materials: ABS Erasable times : >100,000 times Storage: 10 years Colors: rosso, verde, blu, arancia, giallo, bianca, opzionale