Green Bit Dactyscan 84c and BMT20 Dual Iris Scanner Biometric Kit

The Green Bit Dactyscan 84c and BMT20 Dual Iris Scanner Biometric Kit is a professional-grade multimodal biometric authentication system combining fingerprint and iris recognition technologies for high-security identity verification applications. Government agencies, banking institutions, law enforcement, and enterprise security operations deploy this kit to achieve UIDAI-compliant and STQC-certified biometric capture with dual-factor authentication capabilities. This integrated solution eliminates spoofing vulnerabilities and provides foolproof identity confirmation by requiring both fingerprint and iris biometric markers, solving critical authentication gaps in access control, criminal databases, and financial transaction security.

Product Overview

The Green Bit Dactyscan 84c is an advanced optical fingerprint scanner utilizing proprietary live-finger detection technology that captures high-resolution 500 DPI fingerprint images with automatic image quality assessment. The device features built-in liveness detection algorithms that prevent fake fingerprint presentations, ensuring only genuine biometric data is processed. The scanner connects via USB 2.0 interface and integrates seamlessly with AFIS (Automated Fingerprint Identification System) platforms, criminal record systems, and identity management databases used across Indian government and law enforcement agencies.

The BMT20 Dual Iris Scanner operates on advanced near-infrared imaging technology that captures iris patterns from both eyes simultaneously at distances up to 50 centimeters, eliminating user positioning errors common in single-eye systems. The iris recognition engine performs real-time iris quality validation, detects contact lenses and occlusions, and matches captured iris templates against national biometric databases with False Non-Match Rate (FNMR) below 0.5 percent. Together, this dual-modality kit provides enterprise-grade security with UIDAI Level-2 certification, making it the industry standard for government identity programs, banking KYC verification, and critical infrastructure access control systems across India.

Key Specifications

Specification	Details
Product Type	Multimodal Biometric Scanner Kit - Fingerprint and Iris
Brand	Green Bit Technology Limited
Origin	Original/Authentic
Warranty	7 days on manufacturing defects
Shipping	1-5 days from Bengaluru
Delivery	7-8 days across India
Support	24/7 via Email and WhatsApp
Dactyscan 84c Resolution	500 DPI optical fingerprint capture
Fingerprint Image Size	256x256 to 512x512 pixels
BMT20 Iris Capture Range	30-50 centimeters working distance
Iris Template Size	2048 bits per iris
False Non-Match Rate (FNMR)	Below 0.5 percent at UIDAI Level-2
Interface	USB 2.0 High-Speed
Certifications	UIDAI Level-2, STQC Certified, ISO 19794 Compliant

Key Features

• Live-Finger Detection Technology: Prevents spoofing attacks using fake fingerprints, silicone molds, or cadaver fingers through advanced optical analysis and blood flow detection algorithms
• Dual Iris Simultaneous Capture: Captures both iris patterns in single operation, reducing user interaction time and improving throughput in high-volume enrollment scenarios
• UIDAI Level-2 Certification: Meets stringent Indian government biometric standards for Aadhaar enrollment, banking KYC, and national identity programs
• Real-Time Image Quality Assessment: Automatic validation of fingerprint and iris image quality with user feedback, ensuring database-quality biometric templates on first capture
• Integrated Liveness Detection: Multi-spectrum near-infrared technology detects contact lenses, prosthetic irises, and presentation attacks with 99.8 percent accuracy
• USB Plug-and-Play Installation: No external power supply required, direct connection to workstations with automatic driver installation on Windows and Linux platforms

Applications and Use Cases

• Government Aadhaar Enrollment Centers: Captures fingerprint and iris biometrics for UIDAI enrollment with automatic quality validation, processing thousands of citizens daily across enrollment camps and permanent centers
• Banking KYC Verification: Enables banks to perform Know Your Customer identity verification using dual-factor biometrics, reducing identity fraud and enabling instant account opening with UIDAI-linked iris and fingerprint matching
• Law Enforcement Criminal Databases: Integrates with CCTNS and state police AFIS systems for suspect identification, criminal record matching, and forensic fingerprint analysis in investigation workflows
• Border Security and Immigration: Deployed at airports and international borders for rapid passenger identity verification, visa-on-arrival processing, and immigration database matching against watchlists
• Corporate Access Control Systems: Secures sensitive facilities, server rooms, and research laboratories using multimodal biometric authentication, preventing unauthorized access and maintaining audit trails for compliance
• Prison and Correctional Facilities: Manages inmate identification, visitor verification, and staff access control with dual biometric authentication, preventing impersonation and escape attempts

How to Use

Begin by connecting the Dactyscan 84c fingerprint scanner to your workstation via USB 2.0 port and the BMT20 iris scanner to a secondary USB port. Install the Green Bit biometric software suite, which automatically detects both devices and loads necessary drivers. Launch the enrollment application and position the subject's finger on the Dactyscan 84c platen with firm, even pressure across the entire fingerprint area. The device will display real-time image quality feedback on screen, indicating when sufficient ridge detail has been captured. Repeat this process for all ten fingers, then proceed to iris capture by positioning the subject 30-50 centimeters from the BMT20 sensor with eyes open and looking directly at the infrared illumination ring.

The BMT20 will automatically detect eye positioning and capture both iris patterns simultaneously, displaying quality metrics for each iris on the enrollment screen. Ensure adequate lighting conditions and remove any eyeglasses or sunglasses before iris capture. Once both fingerprint and iris templates are captured and validated, the system generates encrypted biometric templates compatible with AFIS databases, UIDAI servers, and banking KYC platforms. Save the biometric record with subject demographics, photograph, and unique identification number. Test the matching accuracy by performing verification searches against your biometric database, confirming that captured templates return correct identity matches within acceptable False Acceptance Rate (FAR) and False Non-Match Rate (FNMR) thresholds.

Frequently Asked Questions

What is the difference between Dactyscan 84c and standard fingerprint scanners?

The Dactyscan 84c uses proprietary optical fingerprint technology with built-in liveness detection that distinguishes genuine finger tissue from fake fingerprints, silicone molds, and presentation attacks. Standard scanners lack this anti-spoofing capability. The 84c captures 500 DPI resolution images with automatic quality assessment, ensuring only database-quality fingerprints are enrolled. This makes it suitable for government identity programs where spoofing prevention is critical, unlike consumer-grade scanners used for device unlock.

Can the BMT20 iris scanner work with contact lenses or eyeglasses?

The BMT20 can capture iris patterns through most contact lenses, though soft lenses may slightly reduce image quality. Hard contact lenses sometimes reflect infrared light and should be removed for optimal capture. Regular eyeglasses do not interfere with iris capture as the near-infrared illumination passes through standard glass lenses. However, high-refractive prescription lenses or anti-reflective coatings may require glasses removal. The system automatically detects contact lens presence and alerts the operator if image quality falls below UIDAI Level-2 thresholds.

What biometric databases is this kit compatible with?

The Green Bit Dactyscan 84c and BMT20 kit is fully compatible with UIDAI Aadhaar enrollment systems, CCTNS criminal databases used by Indian police, banking KYC platforms like NSDL and CDSL, AFIS (Automated Fingerprint Identification System) deployed by state police, and international biometric standards including ISO 19794 fingerprint and ISO 19794-6 iris formats. Templates generated by this kit can be exported in standard formats for integration with any compliant biometric management system.

What is the False Non-Match Rate (FNMR) and why does it matter?

FNMR is the percentage of legitimate biometric comparisons that are incorrectly rejected as non-matches. The BMT20 achieves FNMR below 0.5 percent at UIDAI Level-2, meaning 99.5 percent of genuine iris matches are correctly identified. This low FNMR is critical for government identity systems where rejecting legitimate citizens causes service disruption. High FNMR requires manual verification, increasing operational costs. The Dactyscan 84c achieves similarly low FNMR for fingerprint matching, ensuring reliable authentication in high-volume enrollment environments.

When will I receive my order?

Orders are dispatched within 1-5 business days from our Bengaluru warehouse. Delivery takes 7-8 days to most locations across India.

What is your return and warranty policy?

We offer a 7-day return policy on manufacturing defects only. Contact support within 7 days of receipt for free replacement or full refund. Not applicable for user damage or misuse.

Are bulk discounts available?

Yes, wholesale pricing for orders of 10 or more units. Contact our sales team via WhatsApp or email for a customized bulk quote.

Why Buy from The Engineer Store

• Genuine Products: Sourced directly from authorized distributors with authentication
• Expert Team: Our technical team validates every product before listing
• Fast Shipping: Dispatched within 1-5 days from our Bengaluru warehouse
• Pan-India Delivery: 7-8 days to Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata
• Payment Options: COD, UPI, credit/debit cards, net banking, EMI available
• Technical Support: 24/7 expert guidance via email and WhatsApp
• Returns: 7-day return policy on manufacturing defects only

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