01/08/2026
RFID Explained | Active vs Passive RFID Tags | How RFID Technology Really Works | Diopter Technologies
You've used RFID more times than you realize...
From access control cards and electronic toll collection to warehouse inventory, asset tracking, logistics, and industrial automation, RFID technology is quietly transforming how the world identifies and tracks objects—without physical contact.
But what's the difference between Active RFID and Passive RFID tags?
And which one is best for your application?
In this practical lesson by Diopter Technologies Limited, we explain how RFID works, the differences between Active and Passive RFID tags, and where each technology is used in real-world industrial environments.