Our Online Store have the new products: RFID antenna board. Currently it can work with JC10M24R and JCOP4 card chips.
Compared with normal cards, the antenna board module has a smaller size and fixed holes, which is easy to integrate in the IOT(Internet Of Things) project.

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by Yokoshimoto
Thu Dec 23, 2021 6:41 pm
Forum: Questions & Answers
Topic: Problem with my J2A040 Jcop 40k java card.
Replies: 0
Views: 22135

Problem with my J2A040 Jcop 40k java card.

Hello, My problem is as follows, when trying to format the card something goes wrong. I want to format ATR in my J2A040 card, but I do not know what to do when this error pops up, I tried everything but THE ATR still remains the same. If i try to format card in PyApduTool the RECV is 6A 82. What i c...

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