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ПереключатьIntroduction: NFC Tag Varieties
In the milieu of NFC technology, tags play an integral role across a diverse span of applications encompassing banking, transportation, identity verification, and ticketing. Each NFC-тег type—from the Type-1 to Type-5—carries distinct characteristics tailored for specific use cases. Herein below, we delve into an in-depth comparison of these tag types based on their standards, memory capacities, speed, data access, collision mechanisms, and pricing.
Diversity in NFC Tags
NFC Type-1 Tag Characteristics
- Стандарт: ISO-14443A
- Memory Size: 96 bytes, expandable
- Скорость: 106 Kbps
- Data Access: Flexible, with both read/write and read-only options
- Collision Mechanism: Lacks specific data collision protection features.
- Compliant Products: Innovision Topaz variants
- Pricing: Economical
NFC Type-2 Tag Features
- Стандарт: ISO-14443A
- Memory Size: Ranges from 48 bytes to 144 bytes
- Скорость: 106 Kbps
- Data Access: Modifiable with read/write permissions, or secured as read-only
- Collision Mechanism: Incorporated anti-collision techniques
- Compliant Products: NXP’s Mifare Ultralight series
- Pricing: Cost-effective
NFC Type-3 Tag Specification
- Стандарт: Aligned with ISO-18092 and JIS-X-6319-4
- Memory Size: From 1 KB to 9 KB
- Скорость: Dual speed options at 212 or 424 Kbps
- Data Access: Presented as either rewritable or read-only
- Collision Mechanism: Anti-collision capabilities fully supported
- Compliant Products: Sony FeliCa
- Pricing: Positioned at the higher end
NFC Type-4 Tag Details
- Стандарт: An extension of the ISO-14443A standard with specific configurations like NXP DESFire
- Memory Size: Availability in either 4 KB or 32 KB
- Скорость: Multi-tiered speed choices from 106 to 424 Kbps
- Data Access: Configurable for read/write and read-only usage
- Collision Mechanism: Advanced anti-collision facilitation
- Compliant Products: NXP DESFire, SmartMX-JCOP series
- Pricing: Ranges from moderate to premium levels
NFC Type-5 Tag Insights (Mifare Classic Tag)
- Стандарт: A synergy of ISO-14443A and Mifare’s proprietary MF1 IC S50 standards
- Memory Size: Diverse, with 192 bytes, 768 bytes, and 3584 bytes variants
- Скорость: Consistently at 106 Kbps
- Data Access: Supports read/write capabilities and read-only security
- Collision Mechanism: Enhanced with anti-collision support
- Compliant Products: Renowned for the NXP Mifare Classic lineup including 1K, 4K, and Mini formats
- Pricing: Generally low, offering economic solutions
Conclusion: Tailoring NFC Tag Selection
When selecting an NFC tag, comprehending this array of specifications is vital—the choice of tag directly impacts the efficiency and security of operations within the intended application domain. By assessing each type’s functionalities, stakeholders can align NFC solutions with their tactical and strategic objectives.
