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.

Search found 17 matches

by trgorce
Sun Jan 27, 2019 9:14 pm
Forum: Questions & Answers
Topic: Searching for a tool that support "PUT KEY"
Replies: 3
Views: 8130

Searching for a tool that support "PUT KEY"

Is there a tool that support "PUT KEY" operation? Thanks.
by trgorce
Thu May 18, 2017 10:31 pm
Forum: Questions & Answers
Topic: CLA= 0x7E in APDU command
Replies: 6
Views: 11693

Re: CLA= 0x7E in APDU command

I am greatly appreciated for your useful info. I have contacted our customer and wait for the news. Thanks.
by trgorce
Wed May 17, 2017 11:42 pm
Forum: Questions & Answers
Topic: CLA= 0x7E in APDU command
Replies: 6
Views: 11693

Re: CLA= 0x7E in APDU command

Why must your customer use 0x7E as CLA byte? You may try to communicate with them and use CLA=0x80 or 0x00. Changing CLA to 0x80 or 0x00 can work. But our customer has required the CLA byte, if I want to change it, I need to find the problem and explain to them. Do you know the where is the problem?
by trgorce
Wed May 17, 2017 5:17 am
Forum: Questions & Answers
Topic: CLA= 0x7E in APDU command
Replies: 6
Views: 11693

Re: CLA= 0x7E in APDU command

popmun09 wrote:I'm curious. How do you know the CLA bytes that card receive is 0x3C?


I grabbed the data by Bus Hound. Bus Hound is a tool that can fetch the data from USB driver on PC.
by trgorce
Tue May 16, 2017 10:31 pm
Forum: Questions & Answers
Topic: CLA= 0x7E in APDU command
Replies: 6
Views: 11693

CLA= 0x7E in APDU command

Our clients want to use CLA= 0x7E in APDU command. However, when I use javax.smartcardio to send an APDU command with CLA = 0x7E, the CLA my Java Card receives is 0x3C. Does this CLA 0x7E have something wrong? I always thought that the problem is caused by this CLA byte. But I can not point out the ...
by trgorce
Thu Nov 10, 2016 3:37 am
Forum: Shopping FAQ
Topic: Buying Mifare card
Replies: 2
Views: 7366

Re: Buying Mifare card

JavaCardOS wrote:Hi,

We are so sorry to let you know that we don't provide pure Mifare card currently.

BTW, both A40CR and A22CR can be used as Mifare cards. They all support Mifare feature.


Anyway, thanks for your reply.
by trgorce
Wed Nov 09, 2016 11:25 pm
Forum: Shopping FAQ
Topic: Buying Mifare card
Replies: 2
Views: 7366

Buying Mifare card

Hi JavaCardOS Team,

Do you offer pure Mifare card? I want to get only contactless Mifare card.

BR
by trgorce
Mon Nov 07, 2016 11:31 pm
Forum: Questions & Answers
Topic: Mifare card
Replies: 3
Views: 7526

Mifare card

I got a Mifare card. How can I confirm if this card is Mifare 1K, Mifare 4K or others? Any method?
by trgorce
Thu May 05, 2016 3:06 am
Forum: Questions & Answers
Topic: ROM masked Java Card applet
Replies: 3
Views: 6926

Re: ROM masked Java Card applet

Thank you for your quick answer!

And what do you think of EEPROM installed applet? Is it better than ROM masked applet?
by trgorce
Wed May 04, 2016 11:13 pm
Forum: Questions & Answers
Topic: ROM masked Java Card applet
Replies: 3
Views: 6926

ROM masked Java Card applet

Could anybody tell me the advantages and disadvantages of ROM masked Java Card applet? What about the EEPROM installed applet?
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