Description

The R20DC Dual Frequency RFID Card Reader is a versatile and easy-to-use proximity card reader designed for fast identification and access control systems. Supporting both 125KHz RFID ID cards and 13.56MHz IC cards (S50/S70), this dual-frequency reader offers excellent compatibility with a wide range of RFID cards used in security and management systems. The device connects via USB and operates as an HID keyboard device, meaning it automatically outputs the card number into any active text field such as Notepad, Excel, web forms, or custom software without requiring additional drivers or configuration. Its compact design, quick reading speed, and reliable performance make it ideal for applications like attendance systems, access control, parking management, and inventory tracking. The reader also includes LED indicators and a buzzer to provide instant visual and audio confirmation during card detection. Additionally, with Android OTG support, the R20DC can connect directly to compatible smartphones or tablets, expanding its usability for mobile identification systems.

Features:

1. Dual-Frequency RFID Reader – Supports both 125KHz RFID ID cards and 13.56MHz IC cards (S50/S70) in one device.
2. Plug-and-Play Operation – Recognized as a standard USB HID keyboard, requiring no drivers or software installation.
3. Direct Data Output – Automatically inputs card numbers into any software application or text field.
4. Fast and Reliable Reading – Provides quick card detection with a reading distance of up to 8 cm.
5. Wide System Compatibility – Works with Windows, Linux, and Android devices via OTG.
6. Visual and Audible Feedback – Built-in LED indicator and buzzer confirm successful card reading.
7. Compact USB Design – Lightweight and portable design suitable for desktop and mobile setups.
8. Easy Integration – Ideal for connecting to PCs or embedded systems without special configuration.
9. Stable USB Communication – Ensures reliable data transmission for continuous operation.
10. Professional Identification Tool – Suitable for secure identification, authentication, and tracking systems.

Applications:

1. Access Control Systems – Used in offices, laboratories, and secure facilities for door access management.
2. Employee Attendance Systems – Track staff check-in and check-out using RFID cards.
3. Parking Management Systems – Manage vehicle entry and exit with RFID card identification.
4. Production Line Identification – Monitor staff or equipment movement in manufacturing environments.
5. Personal Identification Systems – Authenticate users in computer systems or databases.
6. Office and Supermarket Management – Manage employee or membership identification.
7. Educational Institutions – Track student attendance and access permissions.
8. Event and Membership Systems – Manage entry systems for events, clubs, or organizations.

Specifications

Packing List

x1 unit R20DC Dual Frequency RFID Card Reader

x1 unit USB-C Cable