The QLF-12000-70 from Qualwave is a Low Pass RF Filter with Frequency DC to 12 GHz, Stopband Frequency 14 to 19 GHz, Insertion Loss 1 dB, Upper Rejection 70 dB @ 14 to 19 GHz, VSWR 1.70:1. Tags: Module with Connector. More details for QLF-12000-70 can be seen below.