The QMC-BPF10-9204 from Quantum Microwave is a Waveguide Filter with Frequency 90 to 94 GHz, Insertion Loss 1.5 to 2.25 dB, Rejection 30 dB, Rejection Frequency 48 to 88 GHz / 97 to 115 GHz. Tags: Band Pass. More details for QMC-BPF10-9204 can be seen below.