On the far right is the switching units, with the attenuators in the middle. The left-most microwave switch switches the attenuators in and out of the signal path.
Here is a closeup of the attenuators:
The top attenuator is an 11 dB unit, with the lower unit a 70 db unit. Both attenuators are limited to 1W power.
Module Resources
No manuals for this unit could be located.
