Chip: TK4100/TK4101, fully compatible with EM4102 Working frequency: 125KHz Working pattern: Allinnich-lês Induction ôfstân: 2~10cm Internal serial number: 5 bytes Size: 85.5× 54 × 1.80 mm (with a portable hole) R/W berik: 2~ 10sm, depending on the reader and the application environment Working temperature: -20℃ ~+80 ℃ (-4℉~+176℉) Materialen: ABS Wipe times: >100,000 kear Gegevens opslach: 10 jierren