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 3 matches

by PeteSmithSIMs
Tue Jan 25, 2022 4:56 pm
Forum: Questions & Answers
Topic: Send data to socket from Java Card
Replies: 7
Views: 15744

Re: Send data to socket from Java Card

Hi. Sorry, I didn't make it clear. ProactiveRequests is one of our classes. ProactiveRequest.open is the method which contains.... // Open a channel with details as 3== auto reconnect, immediate connect ProactiveHandler proHdlr = proHandlerInit( (byte) 0x40, (byte) 0x01, // Immediate connect; no aut...
by PeteSmithSIMs
Mon Jan 24, 2022 7:18 am
Forum: Questions & Answers
Topic: Send data to socket from Java Card
Replies: 7
Views: 15744

Re: Send data to socket from Java Card

Hi. The application that I'm working on does this, but it uses the mobile equipment to do the actual communication, and talks to it via PDUs. The setup code that I've got is below. It's generic, and may not be valid Javacard code, but hopefully will give some pointers. byte[] parameters = trCommsBuf...
by PeteSmithSIMs
Mon Jan 17, 2022 4:04 pm
Forum: Questions & Answers
Topic: TCP Server on Javacard and how to access it from mobile
Replies: 1
Views: 10467

TCP Server on Javacard and how to access it from mobile

Hi all. I hope this is the appropriate board and forum. I've recently inherited quite an old codebase. It's a Javacard applet, running on a SIM card, which provides a service. It communicates outbound via SMS (which is redirected to a server via an SMSC) or TCP to a pre-defined IP address and port (...
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