WR19 rektangilè waveguide tèminal matche chaj 40-60GHz 28-31GHz waveguide Harmony Bandstop Filter WR15 rektangilè waveguide tèminal matche chaj 50-75GHz WR28 waveguide-coaxial adaptè 18-26.5GHz WR430 Waveguide switch 1.72~2.61GHz WR90 estanda bride waveguide soude WR15 rektangilè waveguide tèminal matche chaj 50-75GHz WR19 rektangilè waveguide tèminal matche chaj 40-60GHz WR22 rektangilè waveguide tèminal matche chaj 33-50GHz WR22 waveguide-coaxial adaptè 33-50GHz WR28 waveguide-coaxial adaptè 18-26.5GHz