HUAYUAN’s RAIN RFID ceramic tag has a very small size. It can be embedded into limited space or affixed onto small items by adhesive.
It is impossible for an common passive UHF RFID tag to work directly on metal surface. So passive RFID tags often confront with a number of problems in harsh industrial environments.
There are three typical ways to produce RFID tag to get away from interference from metal asset from our experience. Here below are the brief introductions of our experiences.
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Source: RFID Ceramic tag to meet requirement for a robust industrial application