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RFID Frequently Asked Question

How much information can an RFID tag store?

It depends on the vendor, the application and type of tag, but typically a tag carries no more than 2 kilobytes (KB) of data—enough to store some basic information about the item it is on. Simple "license plate" tags contain only a 96-bit or 128-bit serial number. The simple tags are cheaper to manufacture and are more useful for applications where the tag will be disposed of with the product packaging. The aerospace industry wants to store parts histories on high memory tag, which has led to the introduction of passive UHF tags that store 4KB or 8KB of data.

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