Integrated Magnetic Stripe, Contact Smart Card & RFID Card Solution
In the real world of access control, identity verification, payment systems, attendance management, and membership programs, technology rarely lives in neat silos. One system may use magnetic stripe cards. Another may rely on contact smart cards. A third may deploy RFID tags. And then someone asks a very practical question:
“Why are we using three different readers?”
That question leads directly to the Multi Frequency RFID Reader Writer — an all-in-one, economical, and highly integrated device designed to read and write magnetic stripe cards, contact smart cards, and multiple RFID frequencies in a single compact unit.
This is not just a card reader. It is a convergence tool for modern identification systems.
What Is a Multi Frequency RFID Reader Writer?
A Multi Frequency RFID Reader Writer is a multifunctional card reader capable of supporting:
- 125 kHz Low Frequency RFID cards (LF)
- 13.56 MHz High Frequency RFID cards (HF)
- Contact Smart Cards (SLE4442 / SLE4428)
- Magnetic Stripe Cards (300OE / 2750OE)
- USB plug-and-play connectivity
- Digital data output formats
Instead of deploying separate hardware devices for each card type, this integrated solution consolidates all technologies into one device.
That means:
- Lower equipment costs
- Reduced installation complexity
- Simplified system integration
- Streamlined maintenance
In industries where multiple credential technologies coexist, integration is no longer optional. It is operational intelligence.
Why Multi-Function Card Readers Matter
Organizations evolve over time. Legacy systems remain. New systems are added. Rarely does a company wipe everything clean and start fresh.
You might have:
- Magnetic stripe employee ID cards from years ago
- New RFID access cards
- Smart chip membership cards
- Mixed technology systems across departments
Without a multi-function reader, you are forced to buy and maintain multiple models.
A multi frequency RFID reader writer solves this problem elegantly.
One device. All card types. Seamless operation.
Card Types Supported
Let’s explore the supported card technologies in detail.
1. 125 kHz LF RFID Cards
Supported types include:
- EM cards
- Other standard 125 kHz proximity cards
Low Frequency (LF) cards are widely used for:
- Access control
- Time attendance
- Parking systems
- Basic ID management
LF signals penetrate liquids and tolerate interference better than higher frequencies, though read distance is shorter.
2. 13.56 MHz HF RFID Cards
Supported types include:
- Mifare 1K cards
High Frequency RFID is commonly used for:
- Campus cards
- Transportation cards
- Payment systems
- Membership management
HF supports higher data capacity and better security features compared to basic LF tags.
3. Contact Smart Cards
Supported chips include:
- SLE4442
- SLE4428
These cards require physical contact with the reader through metal contact pads.
They are often used in:
- Financial systems
- Secure authentication
- Controlled data storage applications
Contact smart cards provide enhanced data protection and encryption.
4. Magnetic Stripe Cards
Supported formats:
- 300OE magnetic stripe cards
- 2750OE magnetic stripe cards
Magnetic stripe technology remains widely used in:
- Hotel key cards
- Membership cards
- Retail loyalty programs
- Legacy access systems
Even as RFID expands, magnetic stripe remains embedded in many infrastructures. Removing it is not always cost-effective.
Plug and Play Convenience
One of the strongest advantages of this multi frequency RFID reader writer is ease of use.
No driver required.
USB plug-and-play functionality.
Simply connect to a computer, and the reader behaves like a keyboard input device.
This means:
- No complicated installation
- No software dependency for basic output
- Immediate compatibility with most systems
It outputs card data directly into active fields such as:
- Login screens
- Databases
- Excel sheets
- ERP systems
Plug it in. Swipe or tap the card. Data appears.
Technology should reduce friction, not add it.
Technical Specifications
Below is a detailed technical breakdown.
| Item | Parameters |
|---|---|
| Model | Multi Frequency RFID Reader Writer |
| Frequency | 125Khz / 13.56Mhz / SLE4442 / SLE4428 / Magnetic Stripe |
| Supported Cards | EM card, Mifare 1k card, SLE4442, SLE4428, 300OE or 2750OE magnetic stripe |
| Output Format | Digital Decimal Card Number / Hex Card (Customizable) |
| Size | 160mm (L) x 45mm (W) x 45mm (H) |
| Color | Champagne or Black |
| Interface | USB, UART TTL, RS232 |
| Power Supply | DC 5V |
| Operating Distance | 0–50mm (depends on card & environment) |
| Service Temperature | -10℃ to +70℃ |
| Storage Temperature | -20℃ to +80℃ |
| Working Humidity | <90% |
| Read Time | <200ms |
| Read Interval | <0.5s |
| Baud Rate | 9600–115200 bit/s (Configurable, default 115200) |
| Cable Length | 1400mm |
| Material | ABS |
| Operating System | Win XP / Win CE / Win 7 / Win 10 / Linux / Vista / Android |
| Indicators | Three Color LEDs + Buzzer |
Output Format Flexibility
The device supports:
- Digital decimal card numbers
- Hexadecimal card numbers
- Customizable output formatting
Custom output configuration is especially useful for:
- Software integration
- Database alignment
- Access control system compatibility
Not all systems use the same card number format. Flexibility reduces development time.
LED Indicators & Audible Feedback
User interaction is clear and intuitive:
- Red LED: Standby mode
- Green LED: Successful read
- Built-in buzzer: Audible confirmation
This improves operational feedback and reduces user errors.
A silent system often creates doubt. Audible confirmation builds confidence.
Multi-Interface Connectivity
The device supports:
- USB
- UART TTL
- RS232
USB is most common for plug-and-play PC integration.
RS232 and UART TTL support industrial and embedded applications, including:
- Access control terminals
- Kiosks
- Vending machines
- POS systems
Flexibility across interfaces allows deployment in diverse hardware environments.
Application Scenarios
Access Control Systems
- Mixed credential environments
- Gradual system upgrades
- Corporate office security
Supports both legacy magnetic cards and modern RFID cards.
Time & Attendance Management
Employees may carry different card types depending on department or contract phase.
A unified reader simplifies HR system integration.
Membership & Loyalty Programs
Retailers often migrate from magnetic stripe to RFID while still supporting old cards.
Multi-function readers support both.
Hotel Systems
Hotels often use:
- Magnetic stripe key cards
- RFID room access cards
- Contact smart cards for internal systems
This reader supports all.
Government & Institutional Applications
Government systems frequently retain legacy smart cards alongside newer RFID cards.
Unified hardware reduces procurement complexity.
Why Purchase Multi Frequency RFID Reader Writer From Us?
Let’s move from product function to supplier value.
COMPETITIVE & COMPREHENSIVE PRODUCTS
With improved production facilities, we provide one of the most comprehensive multi-function card readers available.
Bulk procurement capacity enables:
- Competitive pricing
- Stable supply
- Cost efficiency
Our integrated manufacturing ability reduces intermediary costs.
You benefit directly from production scale advantages.
CREATIVE & PROFESSIONAL
Whether you are searching for:
- The correct RFID tag
- The right card reader
- A custom embedded RFID solution
- System integration advice
Our sales engineers provide professional consultation.
RFID is not one-size-fits-all.
We help match the correct frequency, card type, and reader configuration to your specific application.
Customized output formats and OEM branding options are available.
EFFICIENT & FAST GLOBAL SHIPPING
Shipping is available worldwide.
For:
- North America
- Europe
- Asia Pacific
Sample shipping time: 1–3 business days.
Fast delivery reduces project delays.
Time is infrastructure.
Economic Advantages
Instead of purchasing:
- LF reader
- HF reader
- Magnetic reader
- Smart card reader
You purchase one integrated device.
This reduces:
- Procurement costs
- Installation costs
- Maintenance complexity
- Inventory management
Long-term cost of ownership decreases significantly.
Industrial Reliability
Constructed with ABS housing, the reader is:
- Durable
- Heat resistant
- Stable under wide temperature ranges
Operating temperature from -10℃ to +70℃ ensures stable performance in:
- Offices
- Factories
- Warehouses
- Outdoor sheltered installations
Operating System Compatibility
Supports:
- Windows XP
- Windows CE
- Windows 7
- Windows 10
- Linux
- Vista
- Android
Cross-platform compatibility ensures integration flexibility.
Fast Reading Performance
- Read time <200ms
- Read interval <0.5s
This ensures:
- Quick access flow
- Reduced queuing
- Smooth user experience
High-speed response improves operational efficiency.
Customization Capabilities
Available options include:
- Custom firmware
- Customized output format
- Private labeling
- Color customization
- Special cable length
OEM and ODM support available.
Security Considerations
The device supports reading and writing capabilities where applicable.
For smart card systems, security protocols can be integrated at the system level.
Magnetic stripe reading ensures backward compatibility without compromising newer secure technologies.
Ideal for System Integrators
System integrators benefit from:
- Reduced hardware complexity
- Faster deployment
- Simplified training
- Unified device support
Multi-function readers reduce integration challenges in mixed-technology environments.
Practical Example
Imagine a company with:
- Old magnetic employee badges
- New RFID access cards
- Smart chip visitor cards
Instead of three readers at every entrance, one device handles all.
Fewer devices. Fewer cables. Fewer failures.
Elegant engineering.
Future-Proof Your System
Technology transitions gradually.
This reader supports:
- Legacy magnetic systems
- Contact smart cards
- Modern RFID cards
It allows smooth migration without immediate infrastructure replacement.
That is strategic flexibility.
Conclusion
The Multi Frequency RFID Reader Writer is an economical, comprehensive, and professional solution designed to integrate:
- Magnetic stripe card reading
- Contact smart card reading and writing
- LF RFID
- HF RFID
With plug-and-play USB operation, multi-interface support, fast response time, and broad operating system compatibility, it is suitable for access control, attendance systems, membership management, retail applications, and institutional environments.
Competitive pricing, global shipping, professional technical support, and customization options make it a reliable partner choice.
One device. Multiple technologies. Seamless integration.
If your system uses more than one card type, integration is not a luxury. It is efficiency.
Upgrade complexity into simplicity.
Choose the Multi Frequency RFID Reader Writer.