The BSF-W-60000-1000-8-15 from Exceed Microwave is a Waveguide Filter with Frequency 50 to 59.5 GHz / 60.5 to 67 GHz, Insertion Loss 0.4 dB, Rejection 30 to 50 dB, Rejection Frequency 59900 to 60100 MHz. Tags: Band Stop. More details for BSF-W-60000-1000-8-15 can be seen below.