The QMC-CRYOIRF-001MF-S from Quantum Microwave is a Low Pass RF Filter with Frequency DC to 700 MHz, Bandwidth 700 MHz (3 dB), Stopband Frequency 10 GHz, Rejection 45 dB, Return Loss -12 dB. Tags: Module with Connector, Cryogenic Filter. More details for QMC-CRYOIRF-001MF-S can be seen below.