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R307 Optical fingerprint reader module sensor - USB2.0 / UART TTL

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If you have any questions on this product please feel free to contact us.

*Disclaimer: The images are merely illustrative.

R307 fingerprint module:

1. Integrated image collecting and algorithm chip together, ALL-in-One
2. Fingerprint reader can conduct secondary development, can be embedded into a variety of end products

3. Users can conduct secondary development, can be embedded into a variety of end products, such as: access control, attendance, safety deposit box, car door locks
4. Low power consumption, low cost, small size, excellent performance
5. Professional optical technology, precise module manufacturing technics
6. Good image processing capabilities, can successfully capture image up to resolution 500 dpi

7. Finger  detection function.



  • Type: Optical 
  • Sensor Life: 100 million times
  • Static indicators: 15KV
  • Backlight: Blue
  • Interface: USB2.0/UART(TTL logical level)
  • RS232 communication baud rate: 9600BPS~115200BPS changeable
  • Image Capture Surface 15×11(mm)
  • Verification Speed:  0.2 sec
  • Scanning Speed: 0.3 sec
  • Character file size:  256 bytes
  • Template size:  512 bytes
  • Storage capacity: 1000
  • Security level: 3 (1,2,3,4,5(highest))
  • False Acceptance Rate (FAR) :≤0.0001%
  • False Rejection Rate (FRR): ≤0.1%
  • Resolution 500 DPI
  • Voltage :4.2--6VDC (or 3.3V)
  • Working current: Typical ≤75mA
  • Matching Method:  1: N
  • Operating Envirement Temperature: -20 to 50 degrees.




Package content:


Package Content



R307 fingerprint module circuit board diagram






3.3VDC power may be selected to supply when short ciucuit as the following drawing.

Caution: Operating carefully, and R307 will be damaged when wong connection.


3.3V Power Option

R307 fingerprint module size chart





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