Model Diameter(mm) Image Sensor Microphone Pixel Size(μm) Interface
B20903 Ø3.2 1/9" CMOS N/A 1.4 x 1.4 USB 2.0
B20903A Ø3.2 1/9" CMOS external 1.4 x 1.4 USB 2.0
B164A03 Ø2.9 1/11" CMOS N/A 1.116 x 1.116 USB 2.0
B164A03A Ø2.9 1/11" CMOS external 1.116 x 1.116 USB 2.0
B164B03 Ø3.24 1/11" CMOS N/A 1.12 x 1.12 USB 2.0
B164B03A Ø3.24 1/11" CMOS external 1.12 x 1.12 USB 2.0
B31105 Ø4.9 1/6" CMOS N/A 1.4 x 1.4 USB 2.0
B31105A Ø4.9 1/6" CMOS external 1.4 x 1.4 USB 2.0