The ERZ-BPF-0900-1100-3.0 from ERZIA is a Band Pass Filter with Frequency 9 to 11 GHz, Insertion Loss 2.1 to 3 dB, Rejection 30 dB @8.35 GHz & 12.1 GHz, 60 [email protected] GHz & - GHz, Power 10 W, Return Loss 10.3 to 13 dB. Tags: Module with Connectors. More details for ERZ-BPF-0900-1100-3.0 can be seen below.