Mini USB 13.56MHz RFID Smart Card Reader – Plug & Play
Mini USB 13.56MHz RFID Smart Card Reader
Meet the Asia-Teco R20C Mini USB RFID Card Reader — a compact, plug-and-play smart card reader designed for seamless compatibility with laptops and desktop PCs. Operating at 13.56MHz, this HF (High Frequency) reader instantly captures card serial numbers and outputs them directly to your cursor position, no drivers or additional software required. Made in Mainland China.
Why Choose This RFID Card Reader?
- Truly Plug & Play: Simply plug into any USB port and start reading — no driver downloads, no external power supply needed.
- Universal OS Support: Compatible with Windows 98, XP (32/64-bit), 2000, Vista (32/64-bit), and Android.
- Fast Card Reading: Reads cards in under 100ms at speeds of 0.2 seconds per card, with a reading distance of up to 80mm.
- Audible & Visual Feedback: Built-in buzzer and dual-color LED indicator (red/green) confirm successful card reads instantly.
- Compact & Durable Design: Water-resistant housing measuring just 105mm × 70mm × 12mm — easy to carry and store.
- Wide Card Format Support: Compatible with M1, S50, S70, and 143A protocol cards; supports multiple output formats including 8H10D, 6H10D, 6H8D, 10H, 8H, 6H, and more.
- Low Power Consumption: Operates at 5V USB power, drawing only 100mA — safe for all standard USB ports.
Full Specifications
| Model | R20C |
| Operating Frequency | 13.56MHz |
| Communication Interface | USB |
| Reading Distance | 0–80mm |
| Card Reading Time | < 100ms |
| Card Reading Speed | 0.2 seconds |
| Working Current | 100mA |
| Working Voltage | 5V (USB-powered) |
| Dimensions | 105mm × 70mm × 12mm |
| Working Temperature | -20°C to 85°C |
| Working Humidity | 5%–95% |
| Supported Cards | M1, S50, S70, 143A Protocol |
| Output Format | 10-bit (other formats available on request) |
| Color | Black |
| Country of Origin | Made in Mainland China |
How It Works
- Plug the reader into any available USB port on your laptop or desktop.
- The LED indicator will alternate red and green during initialization.
- Once you hear two beeps and only the red light remains, the reader is ready.
- Hold a compatible card near the reader — the card's serial number will appear at your cursor's current position automatically.
Ideal Use Cases
This reader is perfect for office access card management, library card systems, time-attendance setups, loyalty card programs, and any environment requiring quick, contactless smart card identification.
For more information on RFID technology standards and security best practices, visit the NIST Guidelines for Securing RFID Systems.
Learn more: Card reader
Frequently Asked Questions
Q: Does this USB RFID card reader require any software or drivers to install?
A: No. The Asia-Teco R20C is a true plug-and-play device. Simply connect it to your USB port and it will be recognized automatically on Windows 98, XP, 2000, Vista, and Android systems — no driver installation or additional software is needed.
Q: Can this RFID reader write data to cards, or does it only read?
A: This device is a read-only RFID card reader. It reads the serial number of compatible cards (M1, S50, S70, 143A protocol) and outputs it to your cursor location. It does not support card writing.
Q: What types of RFID cards are compatible with this reader?
A: The reader supports HF (High Frequency) cards operating at 13.56MHz, including M1, S50, S70, and 143A protocol cards. It is not compatible with LF (Low Frequency) 125kHz cards such as EM4100.
Q: What is the maximum reading distance for this smart card reader?
A: The Asia-Teco R20C can read cards at a distance of up to 80mm (8cm), making it convenient for quick tap-and-go interactions at your desk.