The QLF-17000-50 from Qualwave is a Low Pass RF Filter with Frequency DC to 17 GHz, Stopband Frequency 30 to 33 GHz, Insertion Loss 1.5 dB, Upper Rejection 50 dB @ 30 to 33 GHz, VSWR 2.00:1. Tags: Module with Connector. More details for QLF-17000-50 can be seen below.