This part is a kind of semiconductor called AED9101B.

Function of this product has Operating manual.

Manufacturers : HBM

Image and pinout :

Some of the text within the PDF file :

Operating manual Digital Transducer-Electronics AED 9101B Part 1, Basic device AED9101B / Part 1 / Basic device Part 1 Description of the hardware of the AED basic device AED9101B Contents 1/24 Page Safety notes ... 3 1 2 3 Introduction and Use . 4 Mechanical construction ... 5 Electrical connection. 6 3.1 Transducer connection . 6 3.2 Connecti [ ... ]

AED9101B PDF Datasheet Download