The SCF-20323330-KFKM-L3 from ERAVANT is a Low Pass RF Filter with Frequency DC to 20 GHz, Stopband Frequency 23 to 40 GHz, Insertion Loss 2 to 2.5 dB, Rejection 30 dB, Lower Rejection 30 dB. Tags: Module with Connector. More details for SCF-20323330-KFKM-L3 can be seen below.