RFID on Metal: Things You Should Know + How to Choose the Right Metal RFID Tags
Metal surfaces and RFID don’t always get along well. If you’ve ever tried sticking a regular RFID tag directly onto a metal tool, box, or machine and watched it fail to read properly… you know the frustration. Metal reflects and absorbs radio waves in odd ways, which can make regular tags almost useless. But with the right metal RFID tags , you can solve this problem and get consistent reads on metal objects—without expensive workarounds. This article walks through what you should know about RFID on metal, and how to choose the right tag for your situation. Why Regular RFID Tags Struggle on Metal RFID tags communicate with readers using radio waves. When those waves hit a metal surface, they don’t behave nicely. They: Reflect unpredictably Cancel out parts of the signal Block the tag’s ability to “talk back” to the reader So if you slap a normal RFID label on a steel cabinet or metal tool case, chances are good it won’t behave the way you want. Reads might be inconsistent, ...