The QLF-14000-45 from Qualwave is a Low Pass RF Filter with Frequency DC to 14 GHz, Stopband Frequency 20 to 40 GHz, Insertion Loss 1 dB, Upper Rejection 45 dB @ 20 to 40 GHz, VSWR 1.80:1. Tags: Module with Connector. More details for QLF-14000-45 can be seen below.