The QLF-10000-30-1 from Qualwave is a Low Pass RF Filter with Frequency DC to 10 GHz, Stopband Frequency 13 to 40 GHz, Insertion Loss 1 dB, Upper Rejection 30 dB @ 13 to 40 GHz, VSWR 1.80:1. Tags: Module with Connector. More details for QLF-10000-30-1 can be seen below.