The SWF-57356320-15-H1 from ERAVANT is a Waveguide Filter with Frequency 57 to 75 GHz, Insertion Loss 1 dB, Operating Temperature -40 to 85 Degree C, Rejection 20 dB, Rejection Frequency DC to 56 GHz. Tags: High Pass. More details for SWF-57356320-15-H1 can be seen below.