Product Introduction

·Communication interface : USB and UART
·1:N Identification (One-to-Many)
·1:1 Verification (One-to-One)
·High speed fingerprint identification algorithm engine
·Self study function
·Fingerprint feature data read/write functions
·Get Feature Data of Captured fingerprint and Verify/Identify Downloaded Feature with Captured
·Fingerprint Identify Downloaded Feature with Captured fingerprint
·Security Level setting
·Able to set BaudRate/ Device ID/Device Password
·Operating system:Windows 98, Me, NT4.0, 2000, XP,WIN 7 or Android
Model | R304A |
Type | Capacitive Fingerprint Module |
Interface | USB,UART(RS232 TTL) |
Resolution | 508 DPI |
Voltage | DC 4.2-6V |
Fingerprint Capacity | 1500 |
Sensing array | 208*288 pixel |
Template Size | 512 bytes |
Fingerprint module size | 33.4*20.4*1.0(mm) |
Effective collection area | 12*17.5 (mm) |
Scanning Speed | < 0.2 second |
Verification Speed | < 0.3 second |
Matching Method | 1:1; 1:N |
FRR | ≤0.1% |
FAR | ≤0.0001% |
Work environment | -20C ---50C |
Work Humidity | 10-85% |
Anti-static capacity | 15KV |
Abrasive resistance intensity | 1 million times |
Communications baud rate (UART): | (9600 × N) bps where N = 1 ~ 12(default N = 6, ie 57600bps) |
The difference between R304S and R304A:
R304S template size: 768 bytes, finger capacity: 1000
R304A template size: 512 bytes, finger capacity: 1500
Due to the template size is different, so R304S is not compatible with R304A.
·Provide Free Reference SDK Files for Arduino, Android,.Net,Windows and so on.
·Provide User Manual
·Provide User Manual
You can download the R304A user manual from this website link:
If need SDK files,pls contact us.
R304A video on Youtube: https://youtu.be/BaDRTr7mBhI




R304A fingerprint module circuit board diagram

If need to install the bracket, please click here:

If need to install the enclosure, please click here:














