R35D 125KHz RFID & 2D QR Code Access Control Reader Upgrade your access control system with the R35D multi-protocol card and barcode reader. Combining 125KHz RFID (EM card) reading with 2D QR code and barcode scanning, this versatile reader delivers fast, reliable identification for a wide range of security and self-service applications. With support for Wiegand 26/34, RS232, USB, RS485, and TTL interfaces, it integrates seamlessly with virtually any access controller on the market. Made in Mainland China. Key Features Dual-Mode Reading: Supports both 125KHz RFID (EM) cards and 2D QR codes / barcodes in one compact unit. Multi-Interface Compatible: Wiegand 26/34, RS232, USB, RS485, and TTL — works with nearly any existing access controller. Fast Recognition: Reading speed under 200ms with high recognition rate and auto-induction trigger. Wide Voltage Input: Operates on 4–12V, making it adaptable to various power setups. Image Decoding: Camera-centric image decoding with 45° slant tolerance for easy scanning angles. Audible Beeper Feedback: Built-in beeper confirms successful reads instantly. Broad OS Support: Compatible with Windows XP, 7, 8, and 10, as well as Linux systems. Durable PC Housing: Sturdy polycarbonate construction built for continuous use in commercial environments. Specifications Model R35D (QR 2D Barcode + EM 125KHz) Interface Wiegand 26/34, RS232, USB, RS485, TTL Decode Mode Image Decoding Reading Direction Camera-centric, 45° slant Voltage Input 4–12V (wide voltage) Reading Range 3–6 cm Reading Speed < 200ms OS Compatibility Windows XP/7/8/10, Linux Housing Material Polycarbonate (PC) Country of Origin Mainland China Applications This reader is ideal for a wide variety of environments and use cases: Community & residential gate access management Office and administration service hall entry Smart home access control upgrades Visitor management and intelligent kiosks Retail POS and self-service equipment Medical facility check-in systems Ticket verification and lottery stations Banking and financial service terminals Mobile coupon and QR code redemption Package Contents 1 × R35D Access Control Card Reader Related Products You May Like 10 Pack LED Motion Sensor Cabinet Light – Battery Powered Barcode & QR Code Scanners For more information on access control standards and best practices, see the CDC guidance on workplace safety controls. Reset Instructions To reset the device, use a sharp object to press and hold the RESET button located on the back of the reader until the unit automatically restarts. Note: Product appearance and color may vary slightly between batches. Measurement tolerance is ±1–3cm. Images shown are representative of the product. Frequently Asked Questions Q: What types of cards and codes does the R35D RFID QR Code Reader support? A: The R35D supports 125KHz EM RFID cards as well as 2D QR codes and standard barcodes. This dual-mode capability makes it versatile for both traditional access card systems and modern QR-based visitor or ticketing workflows. Q: Which interfaces does the R35D access control reader support? A: The R35D is compatible with Wiegand 26/34, RS232, USB, RS485, and TTL interfaces, allowing it to integrate with virtually any existing access control system or self-service terminal without requiring special adapters. Q: What is the reading range and speed of the R35D? A: The reader has a reading range of 3–6 cm and a reading speed of under 200 milliseconds, ensuring quick, reliable identification with minimal wait time for users. Q: Is the R35D compatible with Windows and Linux operating systems? A: Yes. The R35D is compatible with Windows XP, 7, 8, and 10, as well as Linux systems, making it suitable for a broad range of computing environments. Q: What voltage does the R35D RFID access reader require? A: The R35D supports a wide voltage input of 4–12V, giving it flexibility to work with a variety of power supplies commonly found in commercial and residential access control installations.