The FH0900-1800SF from Corech Microwave is a RF High Pass Filter with Frequency 9 to 18 GHz, Bandwidth 9000 MHz, Insertion Loss 1.0 dB, Power 10 W, Rejection 50 dB @DC-7.8 GHz. Tags: Module with Connectors, Suspended Substrate Filter, Stripline. More details for FH0900-1800SF can be seen below.