Well are you sure you did not damaged diplexers and connectors when exchanging and trying the cards ? It is very fragile parts. The wires are not actually wires but waveguides so if you bend it to fracture it could be the problem.
Well are you sure you did not damaged diplexers and connectors when exchanging and trying the cards ? It is very fragile parts. The wires are not actually wires but waveguides so if you bend it to fracture it could be the problem.