The HPF-SS-5500-18000-1.15-SF-SF from DETI Microwave is a RF High Pass Filter with Frequency 5.5 to 18 GHz, Bandwidth 12500 MHz, Insertion Loss 1.0 dB, Power 2 W, Rejection 30 dB. Tags: Module with Connectors, Suspended Substrate Filter. More details for HPF-SS-5500-18000-1.15-SF-SF can be seen below.