MADE IN USA 

HP 764D DUAL DIRECTIONAL COUPLER 215-450 MC(MHZ) 

MODEL: 764D

WAS USED BY AN ENGINEER IN AN AVIONICS LAB, VIDEO EQUIPMENT.

PLEASE SEE PHOTOS FOR DETAILS OF ITEM. FROM  AVIONICS LAB.

SEE MY OTHER LISTING AS THERE ARE MORE ITEMS SIMILAR TO THIS FROM THIS ESTATE

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