RFID Tags have read/Write capability-Then I should be able to erase them when I leave the store, right? Somervell County Salon-Glen Rose, Rainbow, Nemo, Glass....Texas


RFID Tags have read/Write capability-Then I should be able to erase them when I leave the store, right?

26 September 2006 at 6:23:16 AM

For a privacy advocate, being able to disable the RFID tag after (or as) you leave the store is a huge deal. But this manufacturing article says they can be erased and reused to store different info.

Information access is another crucial difference between bar coding and RFID that could make the latter more beneficial for a manufacturer. A bar code on a label is dependent on access to a database to retrieve the information.

In contrast, RFID is like a portable database; the information travels with the tag, throughout the production process, from plant floor to shipping and onto the customer, if that is what the application requires.

Adding even more to the value proposition of RFID is the reusability of the tags. "RFID has Read/Write capability," Mullen explained. "The tag can be erased and used over and over again. Even though paper labels are cheaper, a manufacturer can recover the cost of installing an RFID system, due to the reusability of the tags."

Since that's the case, the issue is how to legislate PRIVACY since apparently technically this can be done.

"The main point that RFID users have to understand is that each RFID tag has a unique identification number, and no one can access the information on the tag unless they have access to the database, and this access can be restricted and the information can be encrypted," Mullen said.

There already is in place legislation that governs privacy concerns for data collection and computer use, and these also apply to RFID technology. "Basically, what we will need, going into the future, is more legislation that will cover all types of data entry systems, whether it's bar coding, keystrokes on a computer, RFID or other yet-to-be-developed devices," Mullen said.

Even tags embedded in a tote or container can be erased and reused for another application or sent back to the beginning of the production line, with new information added.

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