The HPF-SS-1750-50-2000-18000-SF-SF from DETI Microwave is a RF High Pass Filter with Frequency 2 to 18 GHz, Bandwidth 16000 MHz, Insertion Loss 0.7 to 2.2 dB, Power 2 W, Rejection 25 to 50 dB. Tags: Module with Connectors, Suspended Substrate Filter. More details for HPF-SS-1750-50-2000-18000-SF-SF can be seen below.