The SWF-34330340-22-H1 from ERAVANT is a Waveguide Filter with Frequency 34 GHz, Insertion Loss 2 dB, Operating Temperature -40 to 85 Degree C, Rejection 40 dB, Rejection Frequency DC to 31 GHz. Tags: High Pass. More details for SWF-34330340-22-H1 can be seen below.