Bio31S

The ZKTeco Bio31S is an advanced embedded electro-silicon fingerprint module designed for system integration in access control and biometric devices.
It uses ZKFinger V10.0 algorithm with ARM processor and high-performance semiconductor sensor for reliable offline fingerprint matching.​
Key Specifications
Feature
Specification 
Material
Electro-Silicon
CPU
280MHz DSP
Flash Memory
32 MB
OS
RTOS
Encrypted Data
Yes
Power Consumption
5V 200mA (operation); 5V 100mA (idle)
Liveness Detection
No
Communication
UART (115200bps TTL 3.3V) / USB 2.0
Image Resolution
508dpi
Effective Area
10.4 × 14.0 mm
Image Size
208 × 288 pixels
Module Dimensions
Motherboard: 42.0 × 26.0 × 5.08mm
Sensor Dimensions
34.06 × 20.4 × 2.47mm
Interface Socket
Molex 51021-0700 (7 pin, 1.25mm)
Template Formats
ZKFinger V10.0, ISO19794-2, ANSI-378