GROW K216 Fingerprint Control Board Relay Output with Remote
GROW K216 Fingerprint Control Board Relay Output with Remote
GROW K216 Fingerprint Control Board Relay Output with Remote
The GROW K216 is a biometric fingerprint recognition control board featuring relay output switching capability and wireless remote control functionality for access control and automation applications. Security professionals, system integrators, and facility managers rely on this board to implement secure, contactless authentication systems that eliminate the need for physical keys or access cards. This device solves critical security challenges by providing dual-mode access control through both fingerprint biometrics and remote triggering, enabling flexible deployment in residential, commercial, and industrial environments.
Product Overview
The GROW K216 Fingerprint Control Board operates on advanced capacitive fingerprint sensing technology that captures and analyzes unique ridge patterns with high precision. The board features an integrated relay output module capable of controlling door locks, electric strikes, and other 12V/24V DC devices directly. The system employs encrypted wireless communication protocols with the included remote control unit, ensuring secure transmission over distances up to 50 meters without signal interference or unauthorized access attempts.
This model distinguishes itself through its dual-interface architecture, combining biometric authentication with remote control flexibility. The K216 supports up to 1000 fingerprint templates stored in non-volatile memory, ensuring data persistence during power loss. The relay output is rated for 10A at 12V DC, making it suitable for controlling standard electromagnetic locks and solenoid mechanisms. Advanced anti-spoofing algorithms prevent fraudulent access attempts using fingerprint replicas or photographs, while the tamper-resistant design protects against physical manipulation of the board.
Key Specifications
| Specification | Details |
| Product Type | Fingerprint Recognition Control Board with Relay Output |
| Brand | GROW |
| Model | K216 |
| 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 |
| Fingerprint Storage Capacity | 1000 templates |
| Relay Output Rating | 10A at 12V DC |
| Wireless Remote Range | Up to 50 meters |
| Operating Voltage | 12V DC / 24V DC selectable |
| Recognition Speed | Less than 1 second |
| False Rejection Rate | Less than 0.1% |
Key Features
- Capacitive Fingerprint Sensor with 500 DPI resolution for accurate biometric authentication and anti-spoofing protection against fake fingerprints
- Dual-Mode Access Control combining fingerprint recognition with wireless remote control for flexible deployment scenarios
- High-Capacity Relay Output rated at 10A 12V DC enabling direct control of electromagnetic door locks and solenoid devices
- Encrypted Wireless Remote Control with 50-meter transmission range and rolling code technology preventing signal interception
- Large Storage Capacity supporting 1000 fingerprint templates with non-volatile memory retention during power loss
- Fast Recognition Speed achieving authentication in under 1 second for seamless user experience
- Tamper-Resistant Design with physical security features protecting against unauthorized board manipulation
- Adjustable Operating Voltage supporting both 12V and 24V DC systems for compatibility with existing infrastructure
Applications and Use Cases
- Residential Security Systems requiring biometric door lock control for single-family homes and multi-unit apartment buildings with centralized access management
- Commercial Office Access Control implementing fingerprint-based entry systems for restricted areas, server rooms, and executive offices
- Industrial Facility Management enabling secure access to manufacturing floors, chemical storage areas, and equipment rooms with audit trail capabilities
- Healthcare Facility Access controlling entry to medication storage, patient records rooms, and sensitive laboratory areas with compliance documentation
- Data Center Security providing biometric authentication for server room access combined with remote emergency lockdown capability
- Retail Store Security protecting stockroom and cash handling areas with fingerprint verification and remote monitoring features
How to Use
Installation begins by mounting the GROW K216 board near the target access point, ensuring the fingerprint sensor faces the user at comfortable height between 1.2 and 1.5 meters. Connect the 12V or 24V DC power supply to the designated terminals, then wire the relay output contacts to your electromagnetic lock or solenoid device following standard electrical practices. The relay provides normally-open contacts that close when authentication succeeds, allowing current to flow through your lock mechanism.
During initial setup, enroll fingerprints by placing fingers on the sensor multiple times per template to ensure reliable recognition. The board stores up to 1000 templates with individual user IDs. Pair the wireless remote by pressing the programming button on the board while activating the remote, allowing the system to learn the remote's unique code. Test both biometric and remote authentication before deploying the system. The board includes status LEDs indicating successful authentication, failed attempts, and system errors, enabling real-time monitoring of access events.
Frequently Asked Questions
What is the maximum number of fingerprints this board can store?
The GROW K216 supports storage of up to 1000 fingerprint templates in its non-volatile memory. Each template requires approximately 512 bytes of storage and can be assigned a unique user ID for access logging and audit purposes.
Can the relay output control multiple door locks simultaneously?
The relay output provides a single switching contact rated at 10A 12V DC. For controlling multiple locks, you can wire them in parallel if the total current does not exceed 10A, or use external relay modules to distribute the switching signal to additional devices.
Is the wireless remote control secure against hacking or signal jamming?
Yes, the K216 employs encrypted wireless communication with rolling code technology that changes the transmission code with each remote activation. This prevents replay attacks and signal interception. The 50-meter range uses frequency-hopping spread spectrum technology for interference resistance.
What happens if power is lost to the board?
The fingerprint templates and user data are stored in non-volatile memory and persist during power loss. However, the relay output will not activate without power. For critical security applications, backup power supplies or battery backup systems are recommended.
Can the board be integrated with existing access control systems?
Yes, the relay output contacts can be wired to trigger external access control systems, alarm panels, or monitoring devices. The board operates independently but can be integrated into larger security ecosystems through its relay switching capability.
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 Tech Depot
- 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
Buy GROW K216 Fingerprint Control Board Relay Output with Remote Online in India
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