The QLF-10000-40 from Qualwave is a Low Pass Filter with Frequency DC to 10 GHz, Stopband Frequency 13 to 18 GHz, Insertion Loss 2 dB, Rejection 40 dB @13 to 18 GHz, Upper Rejection 40 dB. Tags: Module with Connector. More details for QLF-10000-40 can be seen below.