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The Capacitive Fingerprint Sensor Module is a compact, high-integration fingerprint recognition solution designed for modern security and embedded systems. By combining a high-resolution capacitive fingerprint sensor with an advanced fingerprint recognition algorithm, this module delivers fast, accurate, and reliable biometric authentication for a wide range of applications.
It is widely used in smart locks, access control systems, attendance terminals, smart home devices, and IoT security products where performance, durability, and low power consumption are critical.
Low Power 3.3V Operation
Designed for energy-efficient systems, making it suitable for battery-powered and IoT devices.
High-Resolution Capacitive Fingerprint Sensor
160 × 160 pixel resolution at 508 DPI ensures clear fingerprint image capture and reliable feature extraction.
Fast and Accurate Fingerprint Recognition
Fingerprint feature extraction time is less than 0.45 seconds, with rapid 1:N matching for large fingerprint databases.
Touch Wake-Up Function
The capacitive fingerprint scanner supports touch-triggered wake-up, significantly reducing standby power consumption.
Durable and Robust Design
Special surface coating enables resistance to wear, corrosion, and static electricity, ensuring long-term stability even under frequent use.
Embedded LED Indicator
Integrated LED improves user interaction and provides clear operational feedback.
| Parameter | Specification |
|---|---|
| Processor | ID 821 CPU, 240 MHz clock frequency |
| Sensor Type | Capacitive fingerprint sensor |
| Fingerprint Image Size | 160 × 160 pixels, 508 DPI |
| Fingerprint Capacity | Up to 500 fingerprint templates |
| False Acceptance Rate (FAR) | < 0.001% (Security Level 3) |
| False Rejection Rate (FRR) | < 2% (Security Level 3) |
| Matching Methods | 1:1 and 1:N fingerprint matching |
| Template Size | 1008 bytes per fingerprint |
| Security Levels | Level 1 to Level 5 adjustable (Factory default: Level 3) |
| Recognition Speed | Feature extraction < 0.45s 1:N matching (3,000 entries) < 1.5s |
| Communication Interface | UART (3.3V TTL) or USB |
| Baud Rate | 9600 / 19200 / 38400 / 57600 / 115200 bps (Default: 115200) |
| Operating Voltage | DC 3.3V ±10% (5V version available upon request) |
| Operating Current | < 30mA (Peak < 80mA during acquisition) |
| Standby Current | < 10µA |
| Operating Temperature | -10°C to +60°C |
| Operating Humidity | 20% to 80% RH |
Thanks to its compact size, low power design, and high recognition accuracy, this capacitive fingerprint module is ideal for a wide range of biometric security applications:
Smart Locks – Reliable fingerprint authentication for residential and commercial doors
Access Control Systems – Secure identity verification for offices and facilities
Attendance Management Devices – Fast and accurate employee attendance tracking
Smart Home Products – Fingerprint-enabled home automation systems
IoT and Embedded Security Devices – Compact biometric solution for connected devices
Compared with traditional optical fingerprint readers, our capacitive fingerprint reader offers higher security, better resistance to spoofing, and superior performance in compact designs. With millions of successful deployments across industrial and consumer products, this module provides a proven and reliable biometric solution.
If you are developing a new product or upgrading an existing security system, this Capacitive Fingerprint Sensor Module is an excellent choice for balancing performance, cost, and long-term reliability.
Learn more about our biometric solutions on our Fingerprint Sensor Module page.
For detailed documentation, SDK support, pricing, or samples, please contact our sales team. Our engineers are ready to assist you with integration and customization.
