WR-28 Waveguide Bandpass Filter

27.5 to 32.5 GHz Passband, 40 dB Rejection from 18.5 to 23.5 GHz and 36.5 to 41.5 GHz, Ka-Band
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SWF-30305340-28-B1 is a Ka band, waveguide bandpass filter with a passband frequency of 27.5 to 32.5 GHz and rejection frequencies from 18.5 to 23.5 GHz and 35.5 to 41.5 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.
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Technical Details

Minimum Passband Frequency27.5 GHz
Maximum Passband Frequency32.5 GHz
Minimum Rejection Frequency, Low Side18.5
Maximum Rejection Frequency, Low Side23.5 GHz
Minimum Rejection Frequency, High Side36.5 GHz
Maximum Rejection Frequency, High Side41.5 GHz
Rejection40 dB
Waveguide PortWR-28 Waveguide