The FH2200-4000KF from Corech Microwave is a RF High Pass Filter with Frequency 22 to 40 GHz, Bandwidth 18000 MHz, Insertion Loss 2.5 to 3.0 dB, Power 5 W, Rejection 30 dB @DC-20 GHz. Tags: Module with Connectors, Suspended Substrate Filter, Stripline. More details for FH2200-4000KF can be seen below.