Hello All-- I have a black metal box (about 2"x3"x7") here labeled :
Motorola 1D83000E 209933 7109 Part # 80D103 Machine screw hold down studs on one side and a string of solder terminals on the other side labeled IN, 100,200,300-----to 900, 50, 100 and OUT and a couple of GND's. What is it?-------I don't know where I got it and I am mystified Thanks much, Scott