On Thu, Nov 26, 2020 at 1:13 PM Dirk Gottschalk via Gnupg-users <gnupg-users@gnupg.org> wrote: > > Hello Stefan.
Hi Dirk (long time not seen you!), [...] > For this test I would suggest to not use NFC stickers or anything like > that. I would suggest using plastic cards with embedded NFC Tags. > > The reason for my suggestion. I'm working at a company which creates > and sells solutions for european transportation and logistics > companies. We use NFC tags for a drivers license check. These are > stickers on the drivers license card to check if it is available. > Removing them from the card destroys them. We now had multiple times > the problem that those stickers were dead on arrival. We did a fw tests > ans saw that the problem occurs only after the tags were on the postal > way. Perhaps some strong magnetic fields in the postal systems, or > anything like that. > > Now as we send and receive those tags in boxes, we didn't have Problems > anymore. > > Cards never had this problem, as far as I can tell. > > The Tags should have enough memory to take encrypted messages. I think > at least 12k. The more memory, the longer can the message be. > > Another benefit of using plastic cards instead of sticker tags is: They > are reusable. Thanks, I am aware of these cards, but wanted for my tests to avoid higher costs and I only wanted to see if the postcards and tags arrived in proper condition. Should I use cards in the future then I would also use security envelopes. Best regards Stefan _______________________________________________ Gnupg-users mailing list Gnupg-users@gnupg.org http://lists.gnupg.org/mailman/listinfo/gnupg-users
