Yes. Depending on the frequency(s), the spaces between cuts on the waveguide vary. But it's basically just open space in the cable/waveguide letting frequency leakage. Coax or waveguide (hollow cabling) can be used.
Yes. Depending on the frequency(s), the spaces between cuts on the waveguide vary. But it's basically just open space in the cable/waveguide letting frequency leakage. Coax or waveguide (hollow cabling) can be used.