The QMC-BPF12-7305 from Quantum Microwave is a Waveguide Filter with Frequency 71 to 76 GHz, Insertion Loss 1.5 to 2.25 dB, Rejection 30 dB, Rejection Frequency 48 to 69 GHz / 79 to 95 GHz. Tags: Band Pass. More details for QMC-BPF12-7305 can be seen below.