R20C-USB Mifare Card Reader

R20C-USB is a USB contactless RFID card reader designed to read 13.56 MHz Mifare cards. It connects directly to a computer and works like a keyboard, automatically sending the card ID to any open software.

Technical Specifications

• ✔️ Card type: Mifare / ISO14443A
• ✔️ Frequency: 13.56 MHz
• ✔️ Connection: USB
• ✔️ Reading distance: 3–8 cm
• ✔️ Installation: Plug & Play (no driver required)
• ✔️ Output mode: Keyboard Emulation
• ✔️ Compatible systems:
  • Windows
  • Linux
  • Most access or attendance software

 When a card is scanned, the reader automatically types the card number into the active application.

Applications

• Personnel attendance systems (PDKS)
• Access control systems
• Membership management
• Parking systems
• Cafeteria automation
• RFID software projects

How It Works

1. Connect the reader to the PC via USB
2. The system recognizes it automatically
3. Open Notepad or your software
4. Scan the card
5. The card ID appears on the screen

No special software or SDK is usually required.

 Advantages

• Easy installation
• Simple software integration
• Low cost solution
• No COM port configuration needed
• Works with almost any program