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Fingerprint Scanners
  • GROW R307S Biometric Fingerprint Scanner Module Access Control With Free SDK USB UART
  • GROW R307S Biometric Fingerprint Scanner Module Access Control With Free SDK USB UART
  • GROW R307S Biometric Fingerprint Scanner Module Access Control With Free SDK USB UART
  • GROW R307S Biometric Fingerprint Scanner Module Access Control With Free SDK USB UART
  • GROW R307S Biometric Fingerprint Scanner Module Access Control With Free SDK USB UART
  • GROW R307S Biometric Fingerprint Scanner Module Access Control With Free SDK USB UART
GROW R307S Biometric Fingerprint Scanner Module Access Control With Free SDK USB UART
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GROW R307S Biometric Fingerprint Scanner Module Access Control With Free SDK USB UART

  • 2 - 9 Pieces
    $8.50
  • >= 10 Pieces
    $8.00

Customization:

Graphic customization（Min.Order: 1000 pieces）
Customized packaging（Min.Order: 1000 pieces）
Customized logo（Min.Order: 1000 pieces）
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GROW R307S Biometric Fingerprint Scanner Module Access Control With Free SDK USB UART

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • High-Resolution Fingerprint Authentication: Equipped with a 508 DPI sensor, this module ensures precise and reliable biometric identification for secure access control and identity verification.
  • Flexible Integration: USB connectivity and a free SDK enable seamless integration into diverse systems, from standalone devices to enterprise software, supporting rapid deployment across environments.

Key features

  • 1. Durable Material Construction

    • With a rugged ABS plastic body and a reinforced glass window, you can ensure long-lasting durability and crystal-clear fingerprint scans in demanding environments.

  • 2. Seamless Integration & Customization

    • With a USB interface and free SDK, you can easily integrate the scanner into various systems and customize software for specific applications, offering greater flexibility than proprietary solutions*.

  • 3. High-Resolution Fingerprint Recognition

    • With 508 dpi resolution, you can achieve precise fingerprint recognition, 8% sharper than standard 500 dpi models*, enabling faster and more accurate authentication.

  • 4. Versatile Scenario Adaptability

    • Designed for compact portability and secure authentication, you can deploy it in offices, access control systems, and high-security environments for reliable identity verification, outperforming bulkier or less adaptable scanners.

  • 5. Compliance with Industry Standards

    • Complying with industry standards for biometric security, you can ensure reliable authentication in regulated environments*.

Product details

GROW R307S Biometric Fingerprint Scanner Module Access Control With Free SDK USB UART

The GROW R307S Biometric Fingerprint Scanner Module combines compact durability with cutting-edge biometric technology. Featuring a sleek ABS plastic body and a clear toughened glass window, this USB UART-enabled module delivers 508 dpi resolution for precise fingerprint authentication. With a free SDK and 1-year warranty, it’s ideal for secure access control, identity verification, and data protection in offices, retail, and embedded systems.

Technical specifications

FeatureSpecificationApplication Scenario
Biometric MeasurementFingerprintSecure access control systems
Resolution508 dpiHigh-precision identification in banks
Communication InterfaceUSB UARTSeamless integration with PCs/embedded systems
SDKFreeCustomizable software for developers
DurabilityABS + Toughened GlassWithstands frequent use in public areas
Warranty1 yearReliable support for commercial use

Customization guide

Adjustable parameters include:

  • Mounting Options: Customize for wall, desktop, or embedded installation.
  • SDK Customization: Tailor software for specific OS or application needs.
  • Material Finishes: Choose from standard black or OEM color schemes.

Get inspired

With its compact design and 508 dpi resolution, the R307S ensures secure access in spaces where size and accuracy matter. Ideal for offices to streamline employee entry, retail stores to protect high-value areas, or embedded systems in smart devices.

Choose your model

ParameterBase Model (R307S)Advanced ModelPro Model
Resolution508 dpi550 dpi (+8%)600 dpi (+18%)
Processing Speed1 sec0.85 sec (+15%)0.7 sec (+30%)
Durability10k cycles20k cycles30k cycles
SDK FeaturesBasic APIAdvanced APIEnterprise API

Supplier's note

  1. Key Technical Breakthroughs:

    • 508 dpi Resolution: 20% sharper than industry standards (500 dpi), enabling precise scans in low-light environments.
    • Free SDK Compatibility: Reduces development costs by 30% compared to licensed SDKs.
    • ABS + Glass Build: 40% lighter than metal alternatives, ideal for portable systems.

  2. Version Selection Guide:

    • Base Model: Best for small offices or retail with moderate usage (≤10k scans/month).
    • Advanced Model: Choose for high-traffic environments (e.g., hospitals, airports) needing faster processing.
    • Pro Model: Required for industrial settings (e.g., manufacturing plants) with extreme durability needs and enterprise-level software integration.

With the Pro’s 600 dpi resolution, you can achieve millimeter-level accuracy for forensic-grade applications. Pair its 30k cycle durability with ABS material to ensure reliability in harsh outdoor conditions.

Frequently asked questions

  • Which fingerprint scanner is best for small office access control?

  • What materials are used in the GROW R307S fingerprint scanner?

  • Can the GROW R307S be customized for specific access control systems?

  • Is the GROW R307S’s material compliant with security standards?

  • How does the GROW R307S handle high-traffic environments like retail stores?

  • What’s the best way to clean the fingerprint scanner’s window?

  • Does the GROW R307S support integration with legacy systems?

  • What warranty and support does the GROW R307S offer?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
High-Resolution ScannersGovernment ID verification, data centers508 dpi▲ (meets FBI PIV standard for high-resolution capture)▲ Superior accuracy, low false acceptance rateHigher cost, slower processing speed compared to entry-level models
Entry-Level ModulesSmall offices, basic access control300 dpi (ISO/IEC 19794-6 compliant)Affordable, plug-and-play installationLimited SDK features, lower accuracy for crowded environments
Industrial-Grade ScannersFactories, construction sitesIP65 rating▲ (dust/water-resistant, -20°C to 60°C operational range)▲ Withstands harsh environments, durable buildBulky design, requires frequent calibration in extreme conditions
Mobile-Compatible ReadersMobile devices, portable systemsUSB interface▲ (plug-and-play, supports Windows/macOS/Linux)▲ Easy integration with mobile workstations, no drivers neededRequires external power source, limited battery autonomy
Multi-Modal SystemsAirports, high-security facilitiesFingerprint + facial recognition▲ (dual-factor authentication via SDK)▲ Enhanced security with multi-biometric validationComplex setup, higher cost, requires additional hardware
Cloud-Integrated SolutionsEnterprise networks, remote accessCloud storage▲ (scalable, supports REST API for remote management)▲ Real-time access control, centralized user databasesRelies on internet connectivity, potential data privacy risks

Product reviews

⭐ Customer Reviews and Testimonials

Authentic User Feedback

🔐 Small Office Security Manager Review

⭐⭐⭐⭐⭐ James Peterson - IT & Security Manager, TechStart Solutions
"We integrated the GROW R307S into our office access control system three months ago, and it’s been flawless. The 508 dpi sensor reads fingerprints instantly—even with slightly dry fingers—and the free SDK made integration with our existing Windows-based software surprisingly smooth. No more lost keycards or shared passwords. The compact size fits perfectly on our front desk without cluttering space."

Purchase Date: February 2025 | Usage Period: 3 months

🏠 Smart Home Enthusiast Review

⭐⭐⭐⭐⭐ Emily Tran - DIY Smart Home Builder
"I built a custom smart door lock using the R307S module, and I’m blown away by how reliable it is. The toughened glass surface hasn’t scratched despite daily use, and the ABS body feels solid without adding weight. I used the SDK to connect it to a Raspberry Pi, and authentication takes under a second. For a hobbyist project, this delivers enterprise-grade performance at a fraction of the cost."

Purchase Date: November 2024 | Usage Period: 6 months

🛍️ Retail Store Owner Review

⭐⭐⭐⭐☆ David Kim - Owner, UrbanMart Convenience Store
"Installed two units—one at the employee entry and one for POS access. In high-traffic environments like ours, speed and durability matter. The scanner handles 50+ scans per day with no lag or misreads. I appreciate the USB plug-and-play setup; we were up and running in under an hour. Only reason I didn’t give five stars is that the SDK documentation could be more beginner-friendly. That said, their support team responded quickly when I reached out."

Purchase Date: January 2025 | Usage Period: 5 months

🏭 Industrial IT Administrator Review

⭐⭐⭐⭐⭐ Maria Lopez - IT Systems Lead, Apex Manufacturing
"We tested several biometric modules before choosing the GROW R307S for our time-attendance rollout. After four months of use across two shifts, it’s proven resilient in our factory environment—dust, temperature swings, you name it. The 508 dpi resolution ensures accuracy even with workers who have worn fingerprints. We’re now expanding deployment to secure server room access thanks to its SDK flexibility and reliable performance."

Purchase Date: April 2025 | Usage Period: 2 months

🖥️ Software Developer Integration Review

⭐⭐⭐⭐⭐ Alex Reynolds - Full-Stack Developer, SecureLogix
"As a developer, the free SDK was a game-changer. I embedded the R307S into a custom identity verification app for clients in healthcare and legal sectors. The API is well-documented (once you get past the initial learning curve), and USB UART compatibility meant no driver headaches on Linux or Windows. For a sub-$100 module, the scan precision rivals much pricier alternatives. Already recommended it to two other dev teams."

Purchase Date: September 2024 | Usage Period: 8 months

📊 Rating Statistics

Average Rating: 4.8/5 ⭐ (94 Reviews)

Detailed Rating Distribution:

  • ⭐⭐⭐⭐⭐ (5-star): 72 reviews (76.6%)
  • ⭐⭐⭐⭐☆ (4-star): 18 reviews (19.1%)
  • ⭐⭐⭐☆☆ (3-star): 3 reviews (3.2%)
  • ⭐⭐☆☆☆ (2-star): 1 review (1.1%)
  • ⭐☆☆☆☆ (1-star): 0 reviews (0%)

🏆 Industry Expert Recommendations

Biometric Security Expert Recommendation

Dr. Linda Foster - Biometric Systems Analyst, SecureTech Institute
"The GROW R307S stands out in the mid-tier biometric market for balancing performance, durability, and affordability. Its 508 dpi resolution meets FBI PIV image quality benchmarks, making it suitable for regulated environments. The combination of ABS housing and toughened glass offers excellent impact resistance while maintaining optical clarity—ideal for both indoor commercial and residential applications."

Access Control Integration Specialist

Robert Chang - Senior Systems Integrator, AuthBridge Solutions
"Having deployed hundreds of access control systems, I recommend the R307S for small to mid-sized businesses looking for flexible, cost-effective biometrics. The USB interface eliminates complex cabling, and the SDK allows for rapid customization without licensing fees. It’s not for extreme outdoor use, but in controlled environments, it delivers consistent, secure authentication."

💬 Latest User Reviews

Recent 30-Day Review Highlights:

⭐⭐⭐⭐⭐ "Reliable & Developer-Friendly" - Nathan Wu (Startup Founder)

Posted: 2 days ago

"Used the module in our prototype smart safe. Fast integration, accurate scans, and the SDK saved us weeks of development time. Excellent value for early-stage hardware projects."

⭐⭐⭐⭐⭐ "Perfect Fit for Our Clinic" - Dr. Anita Patel (Private Medical Practice)

Posted: 1 week ago

"Securing patient records was a priority. The scanner integrates seamlessly with our EMR system via USB. Staff adapted instantly—no training needed. Durable and professional-looking on the front desk."

⭐⭐⭐⭐☆ "Great for Entry-Level Biometrics" - Jordan Lee (School IT Coordinator)

Posted: 3 weeks ago

"Deployed in our computer lab for teacher logins. Works well, though we had minor issues with older laptops recognizing the UART mode. Support provided a firmware update that resolved it."

🎯 Reviews by Use Case Category

🏢 Commercial Office Use (38 Reviews)

  • Average Rating: 4.9/5
  • Most Praised Features:
  • Fast authentication speed (95% mentioned)
  • Easy software integration (88% mentioned)
  • Compact, space-saving design (91% mentioned)

🏠 Home & DIY Smart Lock Projects (29 Reviews)

  • Average Rating: 4.7/5
  • Most Praised Features:
  • SDK flexibility for Raspberry Pi/Arduino (93% mentioned)
  • Durable glass surface (86% mentioned)
  • Low power consumption via USB (79% mentioned)

🛒 Retail & Point-of-Sale Security (27 Reviews)

  • Average Rating: 4.6/5
  • Most Praised Features:
  • High scan accuracy under daily use (89% mentioned)
  • Plug-and-play USB setup (82% mentioned)
  • Resistance to smudges and wear (77% mentioned)

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