The ERZ-HPF-0540-1210-1.4 from ERZIA is a RF High Pass Filter with Frequency 5.4 to 12.1 GHz, Insertion Loss 0.8 to 1.4 dB, Rejection 30 [email protected] GHz, 60 [email protected] GHz, Return Loss 8.5 to 15 dB. Tags: Module with Connectors, Suspended Substrate Filter. More details for ERZ-HPF-0540-1210-1.4 can be seen below.