The QMC-CRYOIRF-004MF-S from Quantum Microwave is a Low Pass RF Filter with 3 dB Cutoff Frequency 10 GHz, Insertion Loss 5 dB @ 10 GHz, Return Loss 20 dB. Tags: Module with Connector, Cryogenic Filter. More details for QMC-CRYOIRF-004MF-S can be seen below.