This is a power distribution board for upto 8 modules. It includes the 4-pin MOTM style 0.156" connectors as used on all the original CGS PCBs, and the 3-pin MTA 0.1" connectors now being introduced to the CGS family.
PCB
Dimensions: 1" x 6" with 3.2mm fixing points 0.15"
from the edges and 2 near the long edge centres