Fiberplex - A Brand of Patton ElectronicsFiberplex WGF-461 Waveguide Filter with removable plug for pre-terminated fibres, 44.2GHz Cutoff, 6 bores, includes 2 x WGN-6 waveguide nutsThe WGF-461 was designed to meet MIL-461 EMC specifications by providing 100 dB attenuation for frequencies up to 40 GH..