G4 Pro is equipped with a fully upgraded version of the Android 9.0 system, adding new features such as PoE power supply, and it is compatible with 4G network, satisfying various market needs including Europe, the Middle East, Africa, South Korea, Thailand, and India. 
 
Resembles G4, G4 Pro is equipped with ZKTeco's enhanced Visible Light Facial Recognition technology. Also, G4 Pro has installed a new mini QR code reader to scan T&A / A&C dynamic QR codes on the ZKBioSecurity mobile application. The reader supports QR code, PDF417, Data Matrix, MicroPDF417, Aztec scanning in third-party development projects.  
 
ZKTeco also provides an LCDP tool which is used for 3rd party applications integration. It includes simplified bottom hardware interface, algorithm interface and some upper business logic and conguration, which can make development more easier and more efficient.
 
Comparing with G4, a previous version of multi-biometric identification terminal that features ZKTeco’s innovative and enhanced Visible Light Facial Recognition technology, G4 Pro, a fully upgraded version running the Android 9.0 system, has added an excellent mini QR code reader to scan T&A/A&C dynamic QR codes on the ZKBioSecurity mobile application.
The reader supports QR code, PDF417, Data Matrix, MicroPDF417, Aztec scanning in third-party development projects.
Besides, the terminal has added other new features such as palm recognition, PoE power supply and 4G communication for different markets, including Europe, the Middle East, Africa, South Korea, Thailand, and India.
G4 Pro is equipped with a dual-frequency card module by default, supporting 125kHz and 13.56MHz RFID cards without changing the card module.
 
Features
• 4G communication for different markets, including Europe, the Middle East, Africa, South Korea, Thailand, and India
• Scanning of T&A/A&Cdynamic QRcodes ontheZKBioSecurityMobileApp
• Open Supervised Device Protocol (OSDP v2.1.7)
• Dual-frequency (125kHz and 13.56MHz) card module (standard)
• HID iClass card (optional)
• Android LCDK demo for the 3rd-party application integration
• PoE 802.3af/at power supply
• Mask detection
• Anti-spoofing algorithm against print attack (laser, color, and B/W photos) and videos attack
* Facial recognition for masked individuals will increase the rate of FAR(%). Palm verification for masked individuals is recommended.