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  • Miaxis SM-621B V10

Product Name: Miaxis SM-621B V10


Miaxis® SM-621B V10 is a highly cost-effective integrated optical fingerprint module equipped with powerful CPU and high quality optical sensor with advanced CMOS technology.

The module allows standalone operation with on-board fingerprint image processing, template extraction, fingerprint matching (including 1: 1 and 1: N), template storage and other functions.


• 500 dpi resolution

• Large image capture area

• Durable optical sensor surface

• Miaxis proprietary fingerprint algorithm

• Flexible security setting

SpecificationSM-621B V10
CPU200MHz, Cortex-M4F
Flash memory256KB (Expandable up to 1MB)
Product size(L x W x H)55.0×22.0×24.5mm
Sensor typeOptical
Active platen area12.8*15.2mm
Image Size256*304 pixel
Image resolution500 dpi
Grey scale4 bit
Power-on time≤200ms
Enrollment time
(Finger touch to template)
1:1 Verification time*≤150ms
1:N Matching time≤1s,N=128
FAR≤0. 001 %
FRR≤1 %
Template size256 bytes default
Fingerprint capacity256 templates (Expandable)
ESD immunity±8kV contact discharge
±15kV air discharge
Supply voltageDC 3.8V-7.0V
Supply current≤80mA
Supply current Sleep mode≤10uA
Communication interfaceUART
Baud rate57600(default), 5 options
Operating Temperature-10°C to +50°C
Storage Temperature-20°C to +60°C
Operating humidity20%RH~90%RH

Note: the 1:1 verification time* is calculated based the time of input template matched to the stored template.