What is the scanning speed of the R502-A?

The scanning speed is less than 0.2 seconds.

What communication interface does the module use?

It uses UART (TTL) interface with a baud rate of 9600 to 57600 bps.

Grow R502-a Small Circular Ring RGB LED Fingerprint Module

Name: Grow R502-a Small Circular Ring RGB LED Fingerprint Module
Brand: Hangzhou Grow Technology Co., Ltd.
SKU: 888544205

Zhejiang, ChinaHangzhou Grow Technology Co., Ltd.

US$12.20

1 Piece

Sample price:US$12.20/piece.Request sample

Product profile

Customization

Available

Voice Service

Without Voice Service

Clock

Without Clock

Model NO.

R502-A

Color

as Picture

Screen

as Picture

Communication Interface

RS232

Fingerprint Capacity

200

Voltage

DC 3.3V

Effective Collection Area

Diameter 15.5 (mm)

Sensing Array

190*190 Pixel

Resolution

508 Dpi

Abrasive Resistance Intensity

1 Million Times

Antistatic Capacity

15kv

Fingerprint Module External Diameter

22mm

Fingerprint Module Inner Diameter

19.5mm

Fingerprint Module Height

5mm

Weight

LED Control

Yes

Transport Package

Standard Export Carton Package

Specification

Diameter 22 (mm)

Trademark

GROW

Origin

China

HS Code

8471609000

Production Capacity

5000

Key features

High Recognition Rate: Adapts to dry, wet, light texture, and old fingerprints with high accuracy.

Compact Circular Design: Thinner and smaller than R503 with a unique circular ring RGB LED indicator.

Fast Scanning Speed: Scanning speed under 0.2 seconds and verification speed under 0.3 seconds.

Low Power Consumption: Typical standby current is only 2uA at 3.3V voltage.

Durable Construction: Features 1 million times abrasive resistance and 15KV anti-static capacity.

Wide Operating Range: Works in temperatures from -20C to 60C with 10-85% humidity.

Company profile

Hangzhou Grow Technology Co., Ltd.

Zhejiang, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service AvailableExport Year: 2014-01-10 CertifiedNearest Port: Ningbo Port, Shanghai PortAverage Response Time: ≤8.11h CertifiedTerms of Payment: T/T, PayPal

AI-Powered supplier vetting

SummaryHangzhou Grow Technology Co., Ltd., a trade company based in Hangzhou, China, specializes in intelligent image recognition products. Established in 2013, it has a small workforce and focuses on exporting goods, holding significant export sales. The company lacks certifications for supplier management systems but holds ISO 9001 and CE certifications for quality management. It is engaged in the Security & Protection and Electrical & Electronics sectors, producing fingerprint modules and barcode scanners. Despite limited R&D experience, it has patents in biometric systems. Financially, the company has a moderate revenue range, but its financial data is insufficient for a full assessment.

Supplier typeThe supplier is a trade company classified as a combined limited company, operating mainly in the scientific research and technical services industry.

CertificationsThe supplier has ISO 9001 certification and CE certification from TUV, indicating compliance with international quality standards.

R&D capabilityThe company has patents in biometric systems and over 10 years of experience in intelligent image recognition products, suggesting a focus on innovation.

Production capacityThe supplier operates 5 production lines with an annual output of US$50-100 million, indicating substantial production capability despite a small workforce.