The ERZ-BPF-0190-0210-1.8 from ERZIA is a Band Pass Filter with Frequency 1.9 to 2.1 GHz, Insertion Loss 1.4 to 1.8 dB, Rejection 30 dB @1.8 GHz & 2.2 GHz, 60 [email protected] GHz & 2.57 GHz, Power 10 W, Return Loss 14.5 to 18 dB. Tags: Module with Connectors, Suspended Substrate Filter. More details for ERZ-BPF-0190-0210-1.8 can be seen below.