AuthenTec AF-S2 (FingerLoc)

Close-up on sensor
AuthenTec AF-S2 (FingerLoc) fingerprint sensor
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Sample fingerprint scanner based on AF S2 sensor
AuthenTec AF-S2 (FingerLoc) fingerprint sensor
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AuthenTec AF S2 is a 250 ppi fingerprint sensor intended for integration into various embedded and PC platforms. The sensor has a serial interface connection.

Sensor's manufacturer specifies that AF S2 has rugged packaging and is scratch resistant, thus allowing to use it in harsh outdoor environments. Sensor's surface coating is hard enough to withstand impacts and long-time usage.

The sensor is no longer manufactured.

Support modules for this sensor are included only in Free Fingerprint Verification SDK.


Sensor Name FingerLoc AF-S2
Manufacturer AuthenTec, Inc.
Connection Serial
Supported OS (*) Microsoft Windows (32-bit), Linux (32-bit)
Resolution 250 ppi
Image capture area (Platen size) 13 x 13 mm (0.5" x 0.5")
Fingerprint image size 128 x 128 pixels
Sensor type Capacitive
Sensor Size 24 x 24 x 3.5 mm (0.94" x 0.94" x 0.14")
Operating temperature -20°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
  • AES2501B – 500 ppi capacitive swipe sensor, no longer manufactured
  • AES4000 – 250 ppi capacitive sensor for flat fingerprints


Neurotechnology Distributors Map Ex-Cle S.A - representative in Argentina FingerSec do Brasil - distributor in Brazil (web site in Portuguese) Distributors in Chile Neurotechnology's Chinese Office (web site in Chinese) Security Systems Ltda - distributor in Colombia (web site in Spanish) General Security El Salvador - distributor in El Salvador (web site in Spanish) Infokey Software Solutions - distributor in Greece (web site in Greek and English) India Branch - Neurotechnology Lab India Fulcrum Biometrics India Pvt. Ltd. - distributor in India Biometric srl - distributor in Italy (web site in Italian) Software Sources Ltd - distributor in Israel Bruce and Brian Co., LTD. - distributor in Korea (web site in Korean) Biosec Solutions - distributor in Nigeria Digital Data Systems (DDS Biometrics) - distributor in Pakistan Ex-Cle S.A - distributor in Paraguay Digital Works - distributor in Peru DigiFace Solutions - distributor in Singapore Fingerprint i.t. - distributor in South Africa Sri Lanka Branch - Neurotechnology Lab Delaney Biometrics - distributor in the UK Fulcrum Biometrics - representative in the USA
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