The FH0500-1800SF from Corech Microwave is a RF High Pass Filter with Frequency 5 to 18 GHz, Bandwidth 13000 MHz, Insertion Loss 1.0 dB, Power 10 W, Rejection 50 dB @DC-4.2 GHz. Tags: Module with Connectors, Suspended Substrate Filter, Stripline. More details for FH0500-1800SF can be seen below.