Printed in solder at the insertion end of the module
Stamped into the face of the aluminum frame
Stamped into the side of the side of the aluminum frame
overall: 1/4 in x 4 1/2 in x 7 in
The object has a blue plastic connector followed by a row of capacitors, then a row of transistors, followed by another row of resistors, and finally by a short row of resistors. The board is surrounded by a metal frame. On the side opposite the components is a printed circuit.