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GeoVision 84-GF19210-1000 GeoFinger GF-1921 Serial Fingerprint Reader - Capacitive Sensor - Rugged Biometric Scanner for Secure Enrollment
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Product Features
Technical Overview
The GF-1921 employs a capacitive sensor technology that enhances fingerprint image quality by detecting the electrical properties of skin ridges, resulting in consistent and accurate biometric data. This sensor type is known for its reliability in various environmental conditions, reducing false rejections and improving user throughput.
With a serial interface, the device ensures stable data transmission to compatible control panels or software, minimizing connectivity issues common in networked environments. The reader's design prioritizes operational simplicity, requiring minimal configuration for enrollment and verification tasks.
This section brings together practical product details such as Sensor Type, Serial, so buyers can judge configuration, deployment fit, and day-to-day suitability with less guesswork.
A strong technical summary explains how the product's interfaces, hardware profile, and operating characteristics work together in real deployment. Buyers often need this context to confirm compatibility with existing devices, expected performance in daily use, and whether installation will be straightforward for IT staff or end users.
Key Product Advantages
The GeoFinger GF-1921 offers distinct advantages for security-focused deployments, combining robust hardware with user-friendly management tools. Its capacitive sensor provides superior fingerprint recognition compared to optical alternatives, ensuring dependable performance in high-traffic or demanding conditions.
Enhanced Security
Capacitive sensor technology delivers precise biometric data, reducing the risk of unauthorized access through spoofing or poor image quality.
- Accurate fingerprint capture
- Resistant to environmental factors
- Supports secure enrollment protocols
Durable Design
Constructed to withstand daily use in commercial and industrial settings, the reader maintains reliability over extended periods.
- Compact and rugged housing
- Includes mounting screws and anchors
- Suitable for indoor and protected outdoor use
Deployment / Use Cases
The GF-1921 is ideal for access control systems in offices, warehouses, schools, and healthcare facilities, where secure entry management is critical. Its serial connectivity allows integration with legacy or specialized security hardware, providing a cost-effective upgrade path for existing installations.
Common applications include time and attendance tracking, restricted area access, and multi-factor authentication setups. The included Manager Enroll and Delete Cards streamline user management, enabling administrators to quickly add or remove authorized personnel without complex software interventions.
This section brings together practical product details such as Sensor Type, Serial, so buyers can judge configuration, deployment fit, and day-to-day suitability with less guesswork.
Access Control Integration
Deploy as a standalone reader or part of a larger security network, enhancing door and gate security with biometric verification.
Time and Attendance
Use for employee clock-in/out systems, ensuring accurate and tamper-proof records in compliance with labor regulations.
Physical Profile
Measuring 5.43" in height, 2.32" in width, and 1.89" in depth, the GF-1921 features a compact design that fits discreetly into various mounting scenarios. The lightweight construction at approximately 130 grams simplifies installation on vertical surfaces or narrow profiles, while the included self-tapping screws and plastic anchors support secure attachment to drywall, wood, or metal frames.
The physical profile is practical for deployment planning because the dimensions and weight are clearly defined: 5.43" (138 mm), 2.32" (59 mm), 1.89" (48 mm), 130 g. This helps confirm rack, shelf, desk, or cabinet fit before installation.
- Width
- 2.32" (59 mm)
- Depth
- 1.89" (48 mm)
- Height
- 5.43" (138 mm)
- Weight
- 130 g
What's in the Box
The package includes all necessary components for immediate deployment and management of the fingerprint reader system.
Highlights
- Capacitive sensor for accurate fingerprint recognition
- Serial interface for reliable connectivity
- Rugged design suitable for commercial use
- Includes data cable and management cards
- Compact dimensions: 5.43" H x 2.32" W x 1.89" D
- Lightweight at approximately 130 grams
- Comes with mounting screws and anchors
- Software CD-ROM for configuration and drivers
Specifications
| Specifications | |
|---|---|
| Manufacturer | GeoVision, Inc |
| Manufacturer Part Number | 84-GF19210-1000 |
| Brand Name | GeoVision |
| Product Line | GeoFinger |
| Product Model | GF-1921 |
| Product Name | GeoFinger GF-1921 Fingerprint Reader |
| Product Type | Fingerprint Reader |
| Technical Information | |
| Sensor Type | Capacitive Sensor |
| Interfaces/Ports | |
| Serial | Yes |
| Physical Characteristics | |
| Height | 5.43" (138 mm) |
| Width | 2.32" (59 mm) |
| Depth | 1.89" (48 mm) |
| Weight (Approximate) | 130 g |
| Miscellaneous | |
| Package Contents | GeoFinger GF-1921 Fingerprint Reader Data Cable (of 100 cm / 3.28 feet) Manager Enroll Card Manager Delete Card 2 x Self-Tapping Screw (M3 x 6L) 3 x Self-Tapping Screw (M4 x 15L) 4 x Plastic Screw Anchor Buzzer Hole Plate Security Torx Software CD-ROM Warranty Card |
FAQ
What type of sensor does the GeoFinger GF-1921 use?
The GF-1921 uses a capacitive sensor, which detects the electrical properties of fingerprint ridges to capture high-quality biometric images. This technology offers improved accuracy and reliability compared to optical sensors, especially in varying environmental conditions.
How does the GF-1921 connect to a security system?
It connects via a serial interface, providing stable data transmission to compatible access control panels or software. This makes it suitable for integration with both legacy and modern security setups without requiring network infrastructure.
What is included in the package for installation?
The package includes the fingerprint reader, a 100 cm data cable, Manager Enroll and Delete Cards, self-tapping screws (M3 and M4 sizes), plastic screw anchors, a buzzer hole plate, a Security Torx tool, a software CD-ROM, and a warranty card for complete out-of-box deployment.
Can this fingerprint reader be used for time and attendance systems?
Yes, the GF-1921 is well-suited for time and attendance applications, providing secure and accurate employee clock-in/out records. Its reliable biometric verification helps prevent buddy punching and ensures compliance with attendance tracking requirements.
What are the dimensions and weight of the GF-1921?
The reader measures 5.43 inches in height, 2.32 inches in width, and 1.89 inches in depth, with an approximate weight of 130 grams. This compact and lightweight design allows for flexible mounting on doors, walls, or other entry points.
Does the GF-1921 support user enrollment and deletion?
Yes, it includes Manager Enroll and Delete Cards that simplify user management. Administrators can quickly add or remove authorized fingerprints without needing extensive software configuration, making it practical for dynamic environments.
What connectivity or interface options are available?
Connectivity details help confirm how the product integrates with your network, accessories, and surrounding peripherals before rollout or replacement planning. They are often the difference between a technically compatible device and one that is genuinely easy to deploy.
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