- Feature
- Description
- Memory capacity
- 4 KB (4,096 bytes) of EEPROM storage — more than basic 1 K cards.
- Operating frequency & protocol
- 13.56 MHz, compliant with ISO/IEC 14443 Type A.
- Typical formats & materials
- Credit-card size (≈85.6×54 mm), PVC or PET card material, printable.
- Read/write endurance & data retention
- Up to ~100,000 write cycles, data retention roughly ~10 years.
- Security / sectors
- Multiple sectors (e.g., 40 sectors in some models) and per-sector security keys; some models also support stronger encryption (AES).
- Use-cases for hotels
- Ideal for guest room access cards, staff access, multi-service integration (e.g., parking, loyalty, payments) due to larger memory & multi-application support.
- Operating distance / speed
- Typical read distance up to ~5–10 cm depending on reader/antenna; data rate about 106 kbit/s.
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