Object is a PCB with a 9 x 13 array of identical units, each a single chip with a cylindrical heat sink on top. On the left and right sides are a total of 38 male connectors to receive either cables or daughter-cards of some type. There are also 14 coaxial RF connectors along each edge. The whole is contained in a heavy metal frame. The back or bottom side is a solid 1/4-inch sheet of either enamelled metal or glass. There are 5 large electrolytic capacitors on the bottom.