Blocker tag protection from RFID

[andyjackson1828]

PERSONALLY-controlled blocker tags may offer a technical solution to unwanted consumer tracking by radio-frequency ID chips as retail stores begin to adopt (RFID) for inventory and anti-theft purposes.


RSA Security has unveiled a prototype Blocker Tag that effectively "spams" any scanner that attempts to read RFID tags without the right authorisations.

RFID tags -- essentially a microchip on an antenna that transmits data via radio over short distances -- are widely seen as a next-generation form of barcode that will slash costs through new efficiencies within commercial supply chains.

To date, RFID has mainly been used within warehouses, but the prospect of fine-grain control over every single item in every single store is driving retail interest

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http://australianit.news.com.au/articles/0,7204,9197418%5E15321%5E%5Enbv%5E15306,00.html