The HPF-LP-410-40-500-18000-SF-SF from DETI Microwave is a RF High Pass Filter with Frequency 0.5 to 18 GHz, Bandwidth 17500 MHz, Insertion Loss 1 to 3 dB, Power 2 W, Rejection 40 dB. Tags: Module with Connectors, Lumped Component Filter. More details for HPF-LP-410-40-500-18000-SF-SF can be seen below.