SWF-14415450-08-L1 is a F band waveguide lowpass filter with a passband frequency from 90 to 140 GHz and a rejection frequency from 148 to 200 GHz. The nominal insertion loss of the filter is 1.6 dB and the typical rejection is 50 dB. Since the high-end cutoff frequency can be changed by modifying the design, custom designs can be offered under different model numbers.