CMITECH BMT-20 is a dual iris capture scanner in binocular form factor. The manufacturer specifies that the scanner is able to capture both irises simultaneously. Also specified wide range of inter-pupillary distance, which allows to enroll both adult and child subjects.

The captured iris image quality meets ISO/IEC 19794-6 requirements.

The scanner can be operated either by the subject or by operator. There is external color LEDs which provide information on correct positioning.

The device has solid, robust design without moving parts. According to the manufacturer, device case is compliant with IP64 protection marking.

This device can operate with these Neurotechnology SDKs for iris capture:


Name BMT-20
Manufacturer CMI TECH
Connection USB 2.0
Supported OS (*) Microsoft Windows (32-bit and 64-bit)
Iris image size 2 images, 640 x 480 pixels each
Eye illumination Near-infrared
Device size 219 x 161 x 58 mm (8.6" x 6.3" x 2.3")
Device weight 0.68 kg (1.5 lbs)
Operating temperature range 0°C ~ +50°C
Operating humidity range 10-90 % (non-condensing)

Other CMITech devices

Neurotechnology SDKs also include support modules for:

  • EMX-30 – dual iris & face capture device.


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