GT521F52 Optical Fingerprint Scanner Module with JST SH Connector


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SKU: 495708
  1. Storage capacity: 3000 fingerprints.
  2. Finger window: 12.9 x 16.9 mm.
  3. Image Size: 258 x 202 Pixels.
  4. Resolution: 450 dpi.
  5. CPU: ARM Cortex M3 Core MCU).


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Brand: Generic
Category: Biometric/ECG/EMG Sensor

The GT521F52 Optical Fingerprint Scanner Module with JST SH Connector is a high-performance fingerprint scanner. Which is useful for to access control, security, identification, and convenience. This optical sensor module is designed for easy integration into applications with serial interface (UART). We need two wires are for TX and RX and two wires for power supply (5V).

The main difference between GT521F32 and GT521F52 is fingerprint storage capacity.

There are four types of fingerprint scanner: the optical scanner, the capacitance scanner, the ultrasonic scanner, and the thermal scanner. The GT521F52 Fingerprint Scanner Module is an optical scanner module. This optical scanner takes a visual image using a digital camera.

The idle module is woken by a finger touching the metal frame of the sensor. The pictures of the fingerprints are processed on-board by the fingerprint algorithm (low power 32-bit ARM Cortex-M3 processor) and convert it into strings of data. These so-called ‘templates’ are residing on the module configured as a USB mass storage device. They can store and share through a database with other modules in a network, allowing easy enrollment of many users.

Features :

  1. Ultra-thin Optical Sensor.
  2. High-accuracy & high-speed fingerprint identification technology.
  3. Works well with dry, moist or rough fingerprints.
  4. 3000 fingerprints storage.
  5. Wake up on Finger Function.
  6. Easy one-touch enrollment.
  7. 1: 1 verification, 1: N identification.
  8. Simple UART & USB communication protocol.
    external UART-to-USB converter required (TX & RX levels: 3.3V).
  9. Complies with USB 2.0 full-speed (12 Mbps) specifications.
  10. Reading & writing fingerprint template(s) (i.e. processed data) from/to the device.
  11. Downloading the raw bitmap image from the device (catalog fingerprints).
  12. Anti-Scratch with surface high hardness ≧ 5H.

Package Includes:

1 x GT521F52 Optical Fingerprint Scanner Module.

2 x 1 mm pitch 4 pin JST SH Connector.


How to use Click here!

SKU: 495708 Category:
No. of fingerprints can store



450 dpi

Operating Voltage(V)

Power pin:3.3V~6V, Tx/Rx pins: 3.3V

Operating Current (mA)

< 130


ARM Cortex M3 Core MCU)

The size of template

496 Bytes (template) + 2 Bytes (checksum)

Image Size

258 x 202 Pixels

False Acceptance Rate (FAR)

< 0.001%

False Rejection Rate(FRR)

< 0.1%

Enrollment Time

< 3 sec (3 fingerprints)

Identification Time

< 1.5sec

Shipping Weight 0.085 kg
Shipping Dimensions 10 × 6 × 9 cm
15 Days Warranty

This item is covered with a standard warranty of 15 days from the time of delivery against manufacturing defects only. This warranty is given for the benefit of Robu customers from any kind of manufacturing defects.  Reimbursement or replacement will be done against manufacturing defects.

What voids warranty:

If the product is subject to misuse, tampering, static discharge, accident, water or fire damage, use of chemicals & soldered or altered in any way.

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GT521F52 Datasheet

Programming Guide

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Country Of Origin: China

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