Why normal NFC tags fail on metal
Metal absorbs the NFC field, so a normal sticker placed on metal can't be read. Anti-metal tags have a ferrite layer between the antenna and the surface, so phones can read them on metal.
Anti-metal tag options
| Tag | Size | Grade A | Grade B | Grade C |
|---|---|---|---|---|
| White anti-metal sticker | 30 mm round | Rs 299 | Rs 149 | Rs 99 |
| Anti-metal epoxy tag | 30 mm round | Rs 699 | Rs 350 | — |
Where anti-metal NFC tags are used
- Machines and equipment: manuals, service logs, warranty
- Metal shelves and racks in warehouses
- Vehicles and metal doors
- Asset tagging and inventory