The Truth About RFID Signals: Aluminum Foil, Smartphones, and Reading Range Explained
In the world of RFID systems, some questions never go away:
Can aluminum foil really block RFID signals?
Can smartphones read RFID tags directly?
Why does the same tag read meters away one moment, but barely respond the next?
These aren’t just user questions — they’re also daily frustrations for RFID solution providers during field deployments.
Let’s break them down, one by one, with real-world logic instead of textbook jargon.
