Dahua access reader for IC, ID and DESFire EV3 cards with QR codes

Technical Specifications

• Dahua access reader for IC, ID, and DESFire EV3 cards and QR codes
• Verification via card or QR code
• Compatible with MIFARE Classic, DESFire EV3, and ID cards
• Reading frequencies of 13.56 MHz and 125 kHz with AM modulation
• Card reading range: 0 to 3 cm
• Card response time: 0.1 s
• IC card encryption
• QR code reader with 640×480 resolution and white LED illuminator
• Reads printed or electronic QR codes at a distance of 3 to 25 cm
• QR code reading speed of 120 ms
• QR scan angle of 75.8° diagonally
• QR recognition angle with 360° rotation, 65° yaw, and 65° pitch
• Supports codes ranging from 2.2×2.2 cm to 5×5 cm with a content size of less than 512 bytes
• Code recognition accuracy of 5 mil or better
• Compatible with QR, PDF417, Data Matrix, UPC, EAN, ISBN, ISSN, Code 11, Code 32, Code 39, Code 93, Code 128, and GS1, among others

Functionalities

• Compatible with the OSDP protocol
• Buzzer and indicator lights for audible and visual alerts
• Integrated watchdog to detect faults and automatically restore operation
• Protection against overcurrent, overvoltage, lightning, electrostatic discharge, and short circuits

Alarms

• Tamper alarm to detect tampering with the device

Communication interface

• 1 RS-485 interface
• 1 Wiegand output compatible with Wiegand 34 and configurable as Wiegand 26

Power Supply

• 9 to 15 V DC power supply at 0.5 A
• Power consumption of 1.5 W or less in standby mode
• Power consumption of 2.2 W or less during operation

Environmental

• Suitable for indoor and outdoor use
• IP65 protection achieved through the application of sealant
• Operating temperature range: –40 °C to +65 °C
• Operating humidity from 0% to 90% RH, non-condensing
• Storage temperature: –20 °C to +70 °C
• Storage humidity: 30% to 75% RH, non-condensing

Physical Characteristics

• PC and ABS housing with tempered glass front panel
• Surface mounting or mounting on an 86 mm junction box
• Dimensions: 86×86×17 mm
• Gross weight: 170 g

Contents

• Dahua DAHUA-5528 Access Reader (DHI-ASR3100Q-QME)

Certifications and Standards

• CE Marking