The ERZ-LPF-0000-1800-2.4 from ERZIA is a Low Pass RF Filter with Frequency DC to 18 GHz, Insertion Loss 0.7 to 2.4 dB, Rejection 30 [email protected] GHz, 60 [email protected] GHz, Return Loss 10.4 to 13 dB. Tags: Module with Connector, Suspended Substrate Filter. More details for ERZ-LPF-0000-1800-2.4 can be seen below.