Fingerprint sensor/fingerprint module Precision integrated optical fingerprint sensor /fingerprint scanner has integrated fingerprint collecting and single chip processor together. It features small size, low power consumption, simple ports, high reliability, small fingerprint template (496bytes), large fingerprint capacity, etc.CAMA-SM20 outstandingly features self-learning function.                                                   UART communication port Achieving fingerprint enrollment and verification at the condition of minimum storage Optical reflection fingerprint sensor 1:N verification and 1:1 identification function Self-learning function of the fingerprint features Able to set baud rate and equipment Number Access to standby situation by instruction control module CPU: STM32F103RDT6ARM 32-bit Cortex-M372MHz, 384KB Flash, 64KB SRAM Sensor: CMOS image sensor: GC0303, optical reflection Scan Area: 20mm X 22mm Fingerprint image: 210 x 250 (pixel) Fingerprint capacity: 200~2000(extensible), standard configuration: 500 fingerprints FAR: < 0.001% FRR: <0.1% Fingerprint template: 496 bytes Identification speed: 1:1 <0.5S; 1:N (500 fingerprints) <0.9S Work Supply: DC 3.6V~7.5V Work Current: < 100mA; Standby Current: < 20μA Work temperature: -10  ℃- 60 ℃ Work humidity: 20% 80%