Start from the object and the workflow. Credentials carried by people usually point to cards, wristbands, or keyfobs. Assets, garments, pallets, books, tools, and packages usually point to tags or labels.
Then narrow by what must be matched or survived: an existing reader, metal surface, industrial washing, outdoor weather, printer setup, or long-range logistics. Those constraints usually decide the product family before chip fine-tuning does.
A second filter is customization depth. Standard products work well when you need a common chip and basic print. If the project needs anti-metal performance, special dimensions, multiple installation methods, or pre-encoded data, move into the category page first.
That keeps comparison cleaner because each family page answers a narrower buyer question instead of forcing every use case into one oversized catalog grid.