" 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: HV7131, 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: