The QLF-11000-45 from Qualwave is a Low Pass RF Filter with Frequency DC to 11 GHz, Stopband Frequency 12 to 24 GHz, Insertion Loss 2 dB, Upper Rejection 45 dB @ 12 to 24 GHz, VSWR 1.80:1. Tags: Module with Connector. More details for QLF-11000-45 can be seen below.