WR-28 Waveguide Lowpass Filter

22 to 34 GHz, 40 dB Rejection from DC to 21 GHz and 37 to 67 GHz, Ka-Band
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SWF-34337340-28-L1 is a Ka band, waveguide lowpass filter with a passband frequency from 22 to 34 GHz and a rejection frequencies from DC to 21 GHz and 37 to 67 GHz. The filter provides a nominal insertion loss of 1.0 dB across its passband with a low ripple and a typical rejection of 40 dB. Since the high end cutoff frequency can be changed by modifying the design, custom designs can be offered under different model numbers.
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Technical Details

Minimum Passband Frequency22 GHz
Maximum Passband Frequency34 GHz
Minimum Rejection Frequency, Low SideDC
Maximum Rejection Frequency, Low Side21 GHz
Minimum Rejection Frequency, High Side37 GHz
Maximum Rejection Frequency, High Side67
Rejection40 dB
Waveguide PortWR-28 Waveguide