Sorry, I should have clarified. I have a modem under my room, as well as a few neighbors with modems around ground level. What am I missing here? I tried as bes

Sorry, I should have clarified. I have a modem under my room, as well as a few neighbors with modems around ground level. What am I missing here? I tried as best I could to cobble together info together from around the web but it was fairly technical and sparse in the details that were relevant to my project. Yeah, choosing the spectrum length which would be best to block was also confusing.