Chip manufacturer: BCM Chip: TOPAZ512 Chip Type: NFC Forum Type 1 Tag Executive Standard: ISO 14443A Frequency: 13.56MHz Capacity: 480bytes Times of erasures: 10,000 maroroi ni itukutuku ni gauna: 5 years Locked: can Password: None Reading distance: ≥3cm Working temperature: -20°C~55°C (humidity 90%) iYaya: white PVC Size: 85.6×54×0.86mm, e rawa ni vakauiui