Product details
Product Overview
These cards are used in compatible access control, identification, and ticketing systems. They are a practical choice for organisations that need contactless cards for secure entry, staff credentials, or system-based identification.
NXP Genuine Product
Genuine NXP chips.
Specifications
- Frequency: 13.56 MHz
- Memory: 4K
- Operating distance: 100 mm
- Card identifier: 4-byte NUID
- Standard: ISO/IEC 14443 Type A
- Pack size: 100 cards
- Part number: MF-S70
® Mifare 4K vs 1k: What’s the Difference?
The main difference is memory capacity.
A 4K card offers more memory than a 1K card. This can matter in systems that need to store more data on the card or use more complex setups.
If your system is already built around a specific card type, the safest option is to match the card format your reader, software, or access control setup already uses.
If you are replacing existing cards, check whether your current system uses 1K or 4K before ordering.
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