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GROW R502 Round Smart Electronics Capacitive Fingerprint Reader Module

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  • >=10 Pieces
Fingerprint Module
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Lead Time:
7 day(s) after payment received
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Brand Name:
Model Number:
Product name:
R502 Fingerprint Module
RS232 (TTL)
DC 3.3V
LED Color:
Bule and Red
Fingerprint capacity:
Fingerprint reader module size:
diameter 22mm
Effective collection area:
diameter 15mm
508 DPI
Place of Origin:

Packaging & Delivery

Selling Units:
Single item
Single package size: 
13X8X9 cm
Single gross weight:
0.200 kg
Package Type:
Standard Package
Lead Time :
Quantity(Pieces) 1 - 7 >7
Est. Time(days) 7 To be negotiated


Product Description


        1. Integrated image collecting and algorithm chip together, ALL-in-One
        2. The flexibility to adapt to the conditions was the fingers, whether it is dry fingers, wet fingers, light texture fingerprints fingers, and old fingers, all have high recognition rate 
        3. The main application areas: can be embedded into a variety of end products, such as: access control, attendance, safety deposit box


·Interface:RS232 (TTL)
·Resolution:508 DPI
·Voltage:DC 3.3V
·Working current(Fingerprint acquisition):18mA
·Standby current(finger detection): Typical touch standby voltage: 3.3V, Average current: 2uA
·Fingerprint capacity:200
·Sensing Array:192*192 pixel
·Fingerprint reader module size:diameter 22 (mm)
·Effective collection area:diameter 15 (mm)
·LED Color:Bule and Red
·ScanningSpeed:< 0.2 second
·Verification Speed:< 0.3 second
·Matching Method:1:1; 1:N
·FRR (False Rejection Ratio):≤0.01%
·FAR (False Acceptance Ratio):≤0.00001%
·Antistatic capacity:15KV
·Abrasive resistance intensity:1 million times
·Peak power consumption:60 mA
·Work environment:-20°C ---55°C
·Work Humidity:0-90%
·Communications baud rate (UART):(9600 × N) bps where N = 1 ~ 12(default N = 6, ie 57600bps)
The mainly difference between R502 and R551:
·Fingerprint capacity:200
·Fingerprint reader module size: diameter 22mm
·Effective collection areadiameter 15mm
·Connector: MX1.0-6pin
·LED Color: Bule and Red(Blue light on when succeed, red light on when failed)
R551 Fingerprint module:
·Fingerprint capacity:500
·Fingerprint reader module size: diameter 22mm
·Effective collection areadiameter 15mm
·Connector: MX1.25-7pin
·LED Color: Green(Always on)


·All fingerprint module support with Arduino, Android, Windows, Linux, .Net and so on. 
·Provide Free SDK Files
·Provide User Manual 
You can download the R502 user manual from this website link:






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