The FH2600-4000KF from Corech Microwave is a RF High Pass Filter with Frequency 26 to 40 GHz, Bandwidth 14000 MHz, Insertion Loss 2.5 dB, Power 5 W, Rejection 60 dB @DC-8.7 GHz, 50 dB @13.5-22 GHz. Tags: Module with Connectors, Suspended Substrate Filter, Stripline. More details for FH2600-4000KF can be seen below.