I found this old device, but I don't know what it is.
1 Answer
I think it's an impedance matching device for antenna.
If you have someone in your house in the past who was engaged in amateur radio and in addition, there is such a tool:
then it is most likely.
-
1Ok, thank you. I don't have any other device with it, but it might be that.– PaaDec 30, 2022 at 15:10