The SCF-55375330-KFKM-L1 from ERAVANT is a Low Pass RF Filter with Frequency DC to 55 GHz, Stopband Frequency 75 to 110 GHz, Insertion Loss 1.5 dB, Rejection 30 dB, Lower Rejection 30 dB. Tags: Module with Connector. More details for SCF-55375330-KFKM-L1 can be seen below.