Circuit Module

SKA4666
3B20725
Con.11697.

This is a circuit module constructed from standard sub-modules that are hard-wired to each other and some customisation circuitry on the circuit boards on the module's underside.

The three sub-modules beneath the aluminium heatsink plate contain power transistors and are probably power amplifiers, suggesting this module was part of a gyro system or stable platform.

The handwritten markings that designate the sub-module types further suggest this was a prototype module.