I am looking for a system similar to the one mentioned in this post.
—Gawie (South Africa)
As described in the above-noted article, there are cylinder locks and access-control locks that employ radio frequency identification, but I am unaware of any RFID-based padlocks. If any of our readers offer such a product, they are invited to post information about it below.
—Mark Roberti, Founder and Editor, RFID Journal
How Much Data Can an NFC Tag Store? »