JT308 USB 125KHz Proximity RFID Card Reader

The JT308 125KHz USB RFID Module is a compact proximity card reader designed for reading 125KHz RFID ID cards and tags. It supports EM4100 and compatible RFID cards. The reader connects directly to a computer through USB and behaves like a standard HID keyboard device. After a card is detected, its ID number is automatically sent to the active text field or software. It is suitable for access control, attendance, identification and RFID-based automation systems.

Technical Specifications:

• Operating Frequency: 125KHz
• Power Supply: 5V through USB
• Interface: USB HID, no additional driver required
• Reading Distance: Approximately 5-8 cm
• Supported Cards: EM4100 / compatible 125KHz RFID cards

Features:

• Plug-and-play USB operation
• No separate driver installation required
• Built-in LED and buzzer indication
• Automatically outputs RFID card ID to the computer
• Compact enclosure with approximately 1.2-1.3 m USB cable depending on version

Applications:

• Employee attendance systems
• Door access and security systems
• RFID card identification
• Membership and visitor management
• Computer-based RFID automation and DIY projects