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Model OWBP-33003700-28 is a Ka band waveguide bandpass filter with a passband frequency of 33.0 to 37.0 GHz and rejection frequencies from DC to 31 GHz and 39 to 46 GHz. The nominal insertion loss of the bandpass filter is 1.5 dB and the typical rejection is 40 dB. Since both low end and high end cut off frequencies can be selected by modifying the design, custom designs are available under different model numbers.