Chip manufacturer: BCM Chip: TOPAZ512 Chip Type: Klase sa NFC Forum 1 Tag Executive Standard: ISO 14443A Frequency: 13.56MHz Capacity: 480bytes Times of erasures: 10,000 mga oras Data pagpadayon: 5 years Locked: can Password: None Reading distance: ≥3cm Working temperature: -20℃ ~ + 55 ℃ (humidity 90%) Materyal nga: white PVC Size: 85.6×54×0.86mm, mahimong customized