Fabricante chips: BCM Chip: TOPAZ512 Chip Type: Ar klase ar foro NFC 1 Tag Executive Standard: ISO 14443A Frequency: 13.56MHz Capacity: 480bytes Times of erasures: 10,000 ya 'nandi Retención datos: 5 years Locked: can Password: None Reading distance: ≥3cm Working temperature: -20°C~+55°C (humidity 90%) hñei: white PVC Size: 85.6×54×0.86mm, can be customized