The QLF-20000-60 from Qualwave is a Low Pass RF Filter with Frequency DC to 20 GHz, Stopband Frequency 23 to 40 GHz, Insertion Loss 1 dB, Upper Rejection 60 dBc @ 23 to 40 GHz, Power 20 W. Tags: Module with Connector. More details for QLF-20000-60 can be seen below.