---
product_id: 499370145
title: "UNFUSED J2A040 40k EEPROM with 2 Track Hi CO Magstripe Compatible JCOP21 36K Java JCOP Based Smart Card with SDK Kit (1PCS)"
brand: "xcrfid"
price: "₱4519"
currency: PHP
in_stock: true
category: "Xcrfid"
url: https://www.desertcart.ph/products/499370145-unfused-j2a040-40k-eeprom-with-2-track-hi-co-magstripe
store_origin: PH
region: Philippines
---

# 115,200+ baud write speed 40K EEPROM storage Hi-Co Magstripe compatible UNFUSED J2A040 40k EEPROM with 2 Track Hi CO Magstripe Compatible JCOP21 36K Java JCOP Based Smart Card with SDK Kit (1PCS)

**Brand:** xcrfid
**Price:** ₱4519
**Availability:** ✅ In Stock

## Summary

> 💳 Master your smart card game with pro-level customization!

## Quick Answers

- **What is this?** UNFUSED J2A040 40k EEPROM with 2 Track Hi CO Magstripe Compatible JCOP21 36K Java JCOP Based Smart Card with SDK Kit (1PCS) by xcrfid
- **How much does it cost?** ₱4519 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ph](https://www.desertcart.ph/products/499370145-unfused-j2a040-40k-eeprom-with-2-track-hi-co-magstripe)

## Best For

- xcrfid enthusiasts

## Why This Product

- Trusted xcrfid brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Next-Gen Java Power:** Powered by JCOP 2.4.1 with Java Card 2.2.2 for cutting-edge applet deployment
- • **Seamless Integration:** Compatible with Fargo & Zebra printers for sleek, professional card printing
- • **Unleash Full Control:** Unfused and uninitialized for ultimate customization by pros
- • **Military-Grade Security:** Robust encryption with SCP02 and RSA JCOP V 2.3.1 standards
- • **High-Speed Data Transfer:** Supports T=1 protocol with blazing 115,200+ baud write speeds

## Overview

The XCRFID UNFUSED J2A040 is a professional-grade Java-based smart card featuring 40K EEPROM memory and Hi-Co magnetic stripe compatibility. Designed for expert developers, it supports JCOP 2.4.1 and Java Card 2.2.2 standards, enabling secure, high-speed data operations at 115,200 baud or higher. Compatible with major card printers like Fargo and Zebra, this card offers robust encryption and flexible initialization for advanced applications.

## Description

Remark: The cards are unfused ! JCOP card only be used by the professional software engineers who know how to develop and use. So ,Before purchasing the JCOP cards, please make sure you can programming and operate the JCOP21-36 / 40K card which run the TK and ATR to work! We can only provide the TK default value (Transport key) Before you use JCOP Card,you need 2 commands for opening the JCOP21-40K card. here is : APDU:00A4040010( TK - KEY ) APDU:00F00000 ( open for Initialize ) 1, J2A040 N JAVA based smart card, 40k EEPROM With Hi-co Mag Card Brand new generation of popular JCOP cards! Arrived just now. JAVA based, JCOP 2.4.1, JC 2.2.2, GP 2.1.1., T=1, SCP02 2,JCOP is an N (IBM) implementation of the RSA JCOP V 2.3.1, T=1 and Global Platform 2.1.1 basic specifications Jcop card is a kind of Java card which need to be initiliazed then can be put applet to run. When initilizing cards, it can be run in GP V2.1.1, V2.2.1 with Jcop tools to finish the initilization. It can be made SIM die cut to fullfill the payment funtion with system, relying on the strong encryph and better speed. According to T=1 or T=0 protocol, and the S=115 200 or higher speed.

## Features

- J2A040 40K JCOP are not fused . It compatibles with JCOP21 36K Card
- They are not Initialized, We can support JCOP script files. please contact us!
- JCOP card only be used by the professional software engineers who know how to develop and use.
- J2A040 JAVA based smart card, 40k EEPROM with Hi-co Mag Card
- Can be printing for Fargo Printer , for zebra printer

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B09KN85911 |
| Best Sellers Rank | 31,346 in Computers & Accessories ( See Top 100 in Computers & Accessories ) 345 in External Memory Card Readers |
| Colour | 1PCS |
| Guaranteed software updates until | unknown |
| Hardware interface | USB |
| Item model number | XC20 |
| Item weight | 0.02 Kilograms |
| Manufacturer | XCRFID |
| Product Dimensions | 0.01 x 5.4 x 0.08 cm; 18 g |
| Secure digital association speed class | Class 10 |
| Special feature | Water Proof |
| UPC | 612289279000 |
| Warranty type | Limited |
| Write speed | 115 200 or higher |

## Product Details

- **Brand:** XCRFID
- **Compatible devices:** Personal Computer
- **Flash memory type:** EEPROM
- **Memory storage capacity:** 40 KB
- **Model name:** XC20

## Images

![UNFUSED J2A040 40k EEPROM with 2 Track Hi CO Magstripe Compatible JCOP21 36K Java JCOP Based Smart Card with SDK Kit (1PCS) - Image 1](https://m.media-amazon.com/images/I/51QTwJ5alqL.jpg)

## Available Options

This product comes in different **Color** options.

## Questions & Answers

**Q: Are The Unfused?**
A: U sure they infused I’m reading horrible reviews n I just ordered id hate to send them back

**Q: I want no atr set on my cards**
A: The jcop cards are not fused and not  Initialize. we provide the TK value ! you can set your ATR

**Q: can i have the script file or how would i get it**
A: Yes , if you need jcop script file , please contact us . we will reply you at first time on Amazon

**Q: Pin code included?**
A: its not even a actual card. you have to write information on it including the pin...

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*Product available on Desertcart Philippines*
*Store origin: PH*
*Last updated: 2026-03-07*