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Technical Specifications | Developer Kit | Datasheet | User Guide


SDA04PX is a complete, stand-alone fingerprint recognition system that captures and stores fingerprint data and identifies or verifies registered users. Designed to function entirely without an external PC, the SDA04PX can be integrated into access control units, door locks and other products. It can communicate with external devices and is interoperable with data input from SecuGen USB fingerprint readers for a wide variety of implementations. SDA04PX is a low-cost version of the SDA04P.


SDA04PX-WR is a water resistant version of SDA04P that features a water resistant optic module suited for integration with IP65-rated products.


Both versions feature next-generation fingerprint technology including SecuGen’s ruggedized, high image quality fingerprint optic module and high speed fingerprint matching algorithms for fast 1:1 and 1:N search capabilities.



Technical Specifications


128 MB

User Capacity 10,000 users (1:1 or 1:N)
Fingerprint Capture Time 0.2 ~ 0.5 second with Smart Capture
Minutiae Extraction Time < 0.3 second
Matching Time < 0.1 second (1:1), < 0.2 second (1:N)
Supply Voltage 3.3V DC regulated
Current Consumption 120 mA (idle), 400 mA (operating)
Communication Speed 1200 ~ 921600 bps (CMOS level)
External Interface

CMOS level serial

Optic Module SDOPP03P (for SDA04PX), SDOPP03P-WR (for SDA04PX-WR)
Image Resolution 500 DPI
Image Size 260 x 300 pixels
Platen Size 16.1 mm x 18.2 mm
Effective Sensing Area 13.2 mm x 15.2 mm
Light Source / Typical Lifetime LED / 60,000 hours
Operating Temperature - 20° ~ 65°C
Dimensions (L x W x H) / Weight

21 x 32 x 62 mm / 32 g (optic module)
59 x 43 x 8 mm / 16 g (processing board)

Supported Fingerprint Templates SecuGen Proprietary, ANSI INCITS 378-2004, and ISO/IEC 19794-2 formats
FAR and FRR Read our FAQs
Other Features Auto-On™, Smart Capture
Compliance RoHS

SDA Developer Kit
(Sold separately)

The Developer Kit includes all the hardware, software, support and documentation needed to accelerate the design and integration of the SDA fingerprint recognition system into stand-alone or networked devices. The Developer Kit also includes APIs and data conversion modules to help expand the capabilities of your fingerprint biometric system with the following functions:

  • Register, update and delete user profiles
  • Verify or identify user
  • Manage user database
  • Control system settings (brightness, exposure, gain, security levels, quality threshold, etc.)
  • Test all functions
  • Interface with PC and SecuGen USB fingerprint readers

Includes: Choice of SDA (1 unit), DB9 interface board for development, C9 cable, RS232 cable, 3.3V AC-DC power supply, software, documentation and one year of maintenance that includes technical support and free software upgrades.



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