The SWF-63303340-15-B1 from ERAVANT is a Waveguide Filter with Frequency 59 to 65 GHz, Input Power 100 W, Insertion Loss 2.5 dB, Operating Temperature -40 to 85 Degree C, Rejection 40 dB. Tags: Band Pass. More details for SWF-63303340-15-B1 can be seen below.