1. Introduction
The YARONGTECH C3004 USB RFID Card Reader is a 'read-only' device designed for reading EM4100/TK4100 chips via a USB interface. This manual provides essential information for the proper setup, operation, and maintenance of your device.
2. Safety Information
- Do not expose the device to extreme temperatures, humidity, or direct sunlight.
- Avoid dropping or subjecting the device to strong impacts.
- Do not attempt to disassemble or modify the device. This will void the warranty.
- Keep the device away from liquids and corrosive materials.
- Use only with compatible USB ports and operating systems as specified.
3. Package Contents
Please check the package for the following items:
- YARONGTECH C3004 USB RFID Card Reader
- USB Cable (integrated or separate, depending on model variant)
- Software CD (or download instructions)

Image: YARONGTECH C3004 USB RFID Card Reader and included accessories, typically a USB cable and software CD.
4. Product Overview
The YARONGTECH C3004 is a compact and portable USB RFID reader designed for convenient identification card reading. It features a USB Type-A connector for easy plug-and-play functionality with compatible Windows operating systems.
Key Features:
- EM4100/TK4100 Chip Support: Specifically designed to read cards utilizing these common RFID chip types.
- USB Interface: Connects directly to your computer via a standard USB port.
- Read Only: This device is designed exclusively for reading card data and does not support writing or modifying card information.
- Multiple Output Formats: Supports various output formats including 10D (e.g., "0040856638"), 10H (e.g., "01026f6c8a"), 8D (e.g., "07302208"), and 8H (e.g., "026f6c8a"). Ensure the correct output format is selected or configured for your application.
- Portable Design: Lightweight and compact for easy transport and use.
5. Setup Guide
Follow these steps to set up your YARONGTECH C3004 RFID Card Reader:
- Connect the Reader: Plug the USB connector of the RFID card reader into an available USB Type-A port on your computer.
- Driver Installation:
- For most Windows operating systems (Windows 10, 8.1, 7), the necessary drivers should install automatically upon connection.
- If automatic installation fails, insert the provided software CD into your computer's CD-ROM drive. Follow the on-screen instructions to install the device driver. Alternatively, download the latest drivers from the official YARONGTECH website.
- Software Installation (Optional): If your application requires specific software for reading or configuring output formats, install it from the provided CD or download it from the manufacturer's website.
Video: ACR122U Software Installation and Operation. This video demonstrates the installation process for the device driver and associated software, which is similar for the C3004 model.
6. Operation
Once the device is connected and drivers are installed, you can begin reading RFID cards:
- Prepare for Reading: Open a text editor (like Notepad) or your specific RFID reading software on your computer.
- Place the Card: Hold the EM4100/TK4100 compatible RFID card directly over the reader's surface.
- Read Data: The reader will automatically detect the card and transmit its ID number to your computer. The ID will appear in your open text editor or designated software field.
- Output Format: The output format (e.g., 10D, 10H) depends on the reader's configuration. If you require a specific format, ensure your software or reader settings are adjusted accordingly.
Video: Demonstration of which RFID cards can be read by a similar device. This illustrates the process of placing different RFID cards on the reader to obtain their unique identification numbers.
7. Maintenance
- Cleaning: Use a soft, dry cloth to clean the exterior of the device. Do not use liquid cleaners or aerosols.
- Storage: Store the device in a cool, dry place when not in use.
- Software Updates: Periodically check the YARONGTECH website for any available software or driver updates to ensure optimal performance and compatibility.
8. Troubleshooting
| Problem | Possible Solution |
|---|---|
| Device not recognized by computer | Ensure the USB cable is securely connected. Try a different USB port. Reinstall or update the device drivers from the provided CD or manufacturer's website. |
| Cannot read cards | Verify that the card is compatible with EM4100/TK4100 chips. Ensure the card is placed correctly on the reader. Check if the reading software is open and configured correctly. |
| Incorrect card ID format | Check your reading software settings for output format options (10D, 10H, 8D, 8H) and adjust as needed. |
| Device light not on | Ensure the device is properly connected to a powered USB port. If using a USB hub, try connecting directly to the computer. |
9. Specifications
| Feature | Detail |
|---|---|
| Brand | YARONGTECH |
| Model Number | C3004 |
| Supported Chip Types | EM4100/TK4100 |
| Function | Read Only |
| Interface | USB Type A |
| Operating System Compatibility | Windows |
| Item Weight | 3.48 ounces |
| Package Dimensions | 5.87 x 1.46 x 1.02 inches |
| Color | Black |
| Special Feature | Portable |
| Compatible Devices | Computer (Note: 'Printer' listed in original specifications may be a generic entry and not directly applicable to this device's primary function.) |
10. Warranty and Support
For warranty information and technical support, please refer to the documentation included with your product or visit the official YARONGTECH website. Keep your purchase receipt as proof of purchase for warranty claims.





