A.I. & Robotics

AuthenTec AES2501B (EntréPad)

Sample scanner based on AES2501B sensor
Sample scanner with AuthenTec AES2501B fingerprint sensor
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Close-up on sensor
Close-up on AuthenTec AES2501B fingerprint sensor
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AuthenTec AES2501B is a capacitive USB 2.0 fingerprint sensor that uses sweep capture method.

The AES2501B is no longer manufactured.

Support modules for this sensor are included in MegaMatcher 5.0 SDK, MegaMatcher On Card 3.3 SDK, VeriFinger 7.0 SDK and Free Fingerprint Verification SDK.


Sensor Name EntréPad AES2501B
Manufacturer AuthenTec, Inc.
Connection USB 2.0
Supported OS (*) Microsoft Windows (32-bit and 64-bit)
Resolution 500 ppi
Image capture area (Platen size) 9.75 x 0.81 mm (0.38" x 0.03")
Fingerprint image frame size 192 x 16 pixels
Sensor type Capacitive
Sensor Size 13.8 x 5.0 x 1.3 mm (0.54" x 0.20" x 0.05")
Operating temperature 0°C ~ +70°C

* These operating systems are supported by Neurotechnology SDKs. Device manufacturers may have different lists of supported operating systems.

Other AuthenTec sensors

Neurotechnology SDKs also include support modules for these AuthenTec sensors:

  • AES2550 – 500 ppi capacitive swipe sensor
  • AES2660 – 500 ppi capacitive swipe sensor
  • AES2810 – 500 ppi capacitive swipe sensor with on-chip hardware security module
  • AES4000 – 250 ppi capacitive sensor for flat fingerprints
  • AF S2 – 250 ppi capacitive sensor, no longer manufactured



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AFIS or multi-biometric fingerprint, iris, face and voice identification for large-scale systems.

Face identification for PC, mobile and Web solutions.

Fingerprint identification for PC, mobile and Web solutions.

Iris identification for PC, mobile and Web solutions.

Speaker recognition for PC, mobile and Web applications.

Ready-to-use robotics development kit.

More products for developers:

End-user products:
  • NCheck Bio Attendance – an attendance control application that uses fingerprint or face biometrics to perform persons identification.
  • NVeiler Video Filter – a plug-in for VirtualDub that automatically detects faces in a frame, tracks the faces (or other objects) in subsequent frames and hides them.
  • NPointer – a freeware application for gesture- and voice-based computer control that captures hand movements with a webcam and accepts voice commands.
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