G4[QR] Android Multi-Biometric Facial Recognition Terminal with QR Code Scanner

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  • Scans the T&A/A&C QR code on the ZKBioSecurity Mobile App
  • Supports mask detection.
  • Supports Open Supervised Device Protocol (OSDP).
  • Anti-spoofing algorithm against print attack (laser, color, and B/W photos), videos attack, and 3D mask attack.
  • Supports ELATEC Card Module (125kHz, 134.2kHz, or 13.56MHz RFID cards).
  • Supports Android LCDK Demo.


G4[QR] is a multi-biometric identification terminal that features ZKTeco’s innovative Enhanced Visible Light
Facial Recognition and QR Code Scanning technology. The device with the latest technologies can automatically
perform recognition at a distance from 0.5m to 3m when a face is detected. It delivers higher recognition quality in
speed and accuracy than other terminals using near-infrared facial recognition technology. With the applied Deep
Learning algorithm, pose angle tolerance and anti-spoofing performance have been greatly enhanced against various
environment conditions and different types of spoofing attacks.
G4[QR] is equipped with an excellent mini QR code reader, which supports QR code, PDF417, Data Matrix, MicroPDF417,
Aztec, and so on. And it can scan the T&A/A&C QR code on the ZKBioSecurity Mobile App.
In addition to the optional ID and IC card modules, G4[QR] can also perfectly support ELATEC card modules, and can
support 125kHz, 134.2kHz and 13.56MHz RFID cards without changing the card module.
If the function mentioned above cannot meet customers’ needs, we can provide an EDK embedded development kit
and adjustment tools. Based on our robust and stable platform, the client’s R&D team can quickly develop, integrate,
and debug the entire embedded system to get more scalability

Configuration Diagram


Additional information


User 10,000
Face 10,000
ID Card 10,000
Transaction 100,000


USB Host
Wiegand Input
Wiegand Output
Bluetooth, Wi-Fi

Access Control Interface

Lock Relay Output
Exit Button
Alarm Output
Door Sensor
External Bell


High-Performance Android Industrial CPU
7-inch Touch Screen, 1280*800 Pixels
2MP Binocular Camera
ID Card (Standard)
Supports Android EDK Demo

Standard Functions

Work Code / Push / DST / Bell Scheduling /
Automatic Status Switch / Record Query /
Photo ID

Special Functions

Enhanced Visible Light Facial Recognition
Live Face Detection
Live Fingerprint Detection
Multiple Biometric Verification Modes

Optional Functions

13.56MHz IC Card, 125kHz HID Card
SilkID Fingerprint Sensor, ELATEC Card Module


BioTime 8.0 (Only Time & Attendance Firmware)
ZKBioSecurity (Only Access Control Firmware)

Additional Info

Algorithms ZKFace 5.6 & ZKFinger 10.0
Working Temperature 0°C to 50°C (32°F to 122°F)
Working Humidity <90%
Dimensions 264mm*120mm*51mm
Facial Recognition Speed ≤1s
Facial Recognition Distance 0.5m to 3m
(19.7in to 118.1in)
Power DC12V, 3A


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