Adapters, Ka-Band WaveguidetoWaveguide ATM manufactures Waveguide to Waveguide Adapters covering the Ka-Band frequency range for Rectangular Waveguides, with multiple flange configurations available. For more information feel free to call us and discuss your needs with one of our design engineers. Rectangular to Rectangular Adapters in Overlapping Bands Downlink 18.3-20.2GHz, Uplink 27.5-31.0GHz WG Size Optimum Freq Range GHz Insertion Length (In)* VSWR Standard Model Number WR51 to WR62 15.0 - 18.0 2.0 1.17 51/62ka-2-6-6 WR51 to WR62 15.0 - 18.0 4.0 1.08 51/62ka-4-6-6 WR42 toWR51 18.0 - 22.0 2.0 1.17 42/51ka-2-6-6 WR42 toWR51 18.0 - 22.0 4.0 1.10 42/51ka-4-6-6 WR34 to WR42 22.0 - 26.5 2.0 1.17 34/42ka-2-6-6 WR34 to WR42 22.0 - 26.5 4.0 1.10 34/42ka-4-6-6 WR28 to WR34 26.5 - 33.0 4.0 1.17 28/34ka-4-6-6 Rectangular to Rectangular Adapter Specials Downlink 18.3-20.2GHz, Uplink 27.5-31.0GHz WG Size Insertion Length (In) Standard Model Number WR51 to WR90 7.0 51/90ka-7-6-6 WR51 to WR75 6.0 51/75ka-6-6-6 WR42 to WR90 8.0 42/90ka-8-6-6 WR42 to WR62 4.0 42/62ka-4-6-6 WR34 to WR90 6.0 34/90ka-6-6-6 WR34 to WR62 8.0 34/62ka-8-6-6 WR34 to WR51 4.0 34/51ka-4-6-6 WR28 to WR90 8.0 28/90ka-8-6-6 WR28 to WR62 6.0 28/62ka-6-6-6 WR28 to WR51 6.0 28/51ka-6-6-6 WR28 to WR42 4.0 28/42ka-4-6-6 Ordering Information Typical Part#: SmallerWGSize/LargerWGSize -Length(In) -SmallerFlange -LargerFlange It is possible to change the flanges on the standard model number, but the order you specify them in is