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 12 matches

by Harten
Fri Dec 30, 2016 6:13 am
Forum: Reader
Topic: R502 indicator light meaning
Replies: 2
Views: 7302

Re: R502 indicator light meaning

There is no doubt that the red light indicates that the reader is powered on. The blue and green lights indicates you can communicate with the card now.
by Harten
Wed Dec 21, 2016 1:37 am
Forum: Reader
Topic: Recommend a proper reader
Replies: 1
Views: 6497

Recommend a proper reader

Our customer wants to order USB SAM Card Reader with specific requirement. Actually this reader must support Linux “fedora core version 4.0”, So could please check Feitian products and Let me know which reader is reasonable for them? As you know Fedora Core 4.0 is somewhat old. Not only PCSC binary ...
by Harten
Tue Nov 01, 2016 11:38 pm
Forum: Other Tools
Topic: nfcshare - cos developer assistant
Replies: 1
Views: 7679

Re: nfcshare - cos developer assistant

It's an excellent tool. Thanks for sharing!
by Harten
Sun Sep 25, 2016 11:40 pm
Forum: Questions & Answers
Topic: R502 SPY reader
Replies: 2
Views: 5795

R502 SPY reader

I have already used R502 reader for some time and we have a good experience with this device. But now there is a new reader called R502 SPY reader.
Is it a upgrade version of R502 reader? What's the difference between the two?
by Harten
Wed Sep 07, 2016 4:02 am
Forum: Reader
Topic: How to using R502 with Mifare Desfire card, any rsource?
Replies: 2
Views: 9806

Re: How to using R502 with Mifare Desfire card, any rsource?

Have you known how to use R502 with Mifare Desfire card?

If yes, could you send me some resource?
by Harten
Sun Jun 12, 2016 1:18 am
Forum: Questions & Answers
Topic: get the ram and eeprom using applet
Replies: 3
Views: 7978

Re: get the ram and eeprom using applet

You can use the following code to get the size of EEPROM. short memSize_persistent = 0; short memSize = 0; try{ while(true){ byte[] temp = new byte[1024]; memSize += (short)1024; } }catch(Exception e) { memSize_persistent = JCSystem.getAvailableMemory(JCSystem.MEMORY_TYPE_PERSISTENT); } memSize += m...
by Harten
Thu May 19, 2016 8:05 am
Forum: Questions & Answers
Topic: the difference between an applet and an executable load file
Replies: 2
Views: 6474

Re: the difference between an applet and an executable load file

Here is the description from GP: An Executable Load File is the actual on-card container of one or more application's executable code (Executable Modules). It may reside in Immutable Persistent Memory or may be created in Mutable Persistent Memory as the resulting image of a Load File Data Block. Th...
by Harten
Fri Mar 11, 2016 4:02 am
Forum: Questions & Answers
Topic: Help me understand a piece of code well
Replies: 2
Views: 6623

Help me understand a piece of code well

I saw a piece of code from other website. But I don't know what this code does. Please help me to understand this well. Thanks a lot. short lc = (short) (a[ISO7816.OFFSET_LC] & 0xff); short read = apdu.setIncomingAndReceive(); while(read < lc) { read += apdu.receiveBytes(read); }
by Harten
Sat Jan 23, 2016 5:09 am
Forum: Questions & Answers
Topic: How to use Java Card API 2.2.2 to implement for ECC p-192 ?
Replies: 1
Views: 5381

How to use Java Card API 2.2.2 to implement for ECC p-192 ?

I would like to use Java Card API 2.2.2 to implement for Curve P-192. In Curve P-192, we have p = 62771017353866807638357894232076664160839087\ 00390324961279 r = 62771017353866807638357894231760590137671947\ 73182842284081 s = 3045ae6f c8422f64 ed579528 d38120ea e12196d5 c = 3099d2bb bfcb2538 542dc...
by Harten
Thu Nov 19, 2015 3:31 am
Forum: Shopping FAQ
Topic: Why does the E-Shop only sell FeiTian products ?
Replies: 2
Views: 8097

Re: Why does the E-Shop only sell FeiTian products ?

Thanks for your reply. Glad to know that your store will have the new products. I will keep an eye on the new products.
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