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How Much Memory is in an RFID Tag?​

Cykeo News RFID FAQ 2890

RFID tag memory ranges from ​​64 bits to 8 KB​​, depending on the tag type and purpose. Passive tags typically store basic identifiers (e.g., unique IDs), while advanced active tags can hold sensor data, timestamps, or encryption keys. Here’s a detailed guide to RFID memory types and their applications.

​1. Memory Capacity by RFID Tag Type​

​Tag Type​​Memory Range​​Common Uses​
​Passive LF/HF​64 bits – 2 KBAccess control, payment cards, animal ID
​Passive UHF​96 bits – 4 KBRetail inventory, supply chain tracking
​Active/Semi-Passive​512 bytes – 8 KBCold chain monitoring, industrial IoT

​2. What Can You Store in an RFID Tag?​

  • ​Basic Tags (64–256 bits):​
    • Unique identifiers (UIDs) linked to databases.
    • Example: Cykeo’s ​​EcoTag Basic​​ stores a 128-bit UID for retail inventory.
  • ​Advanced Tags (1–8 KB):​
    • Sensor data (temperature, humidity).
    • Encryption keys for secure authentication.
    • Maintenance logs (e.g., equipment service history).

​3. Factors Influencing Memory Needs​

  • ​Data Type:​​ Text vs. numeric data (e.g., a serial number vs. a temperature log).
  • ​Security:​​ Encrypted tags require extra memory for keys and certificates.
  • ​Frequency:​​ High-memory tags often use UHF or active systems for complex applications.

​4. Cykeo’s High-Memory RFID Solutions​

  • Cykeo’s ​​DataTrack Series​​ offers 4 KB tags for storing sensor data in healthcare and logistics.
  • Their ​​SecureVault Tags​​ provide 2 KB memory with AES-256 encryption for anti-counterfeiting.

​5. Case Study: 90% Faster Data Collection​

A pharmaceutical company reduced vaccine monitoring time by ​​90%​​ using Cykeo’s 4 KB RFID tags to store temperature logs, eliminating manual paperwork.

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