The WBCGV4-3575-3615-3635-3675-40-1 from Wainwright Instruments is a Band Pass Filter with Frequency 3.615 to 3.635 GHz, Bandwidth 20 MHz, Center Frequency 3.625 GHz, Insertion Loss 1.75 to 2.5 dB, Rejection 40 dB. Tags: Module with Connectors, Cavity Filter. More details for WBCGV4-3575-3615-3635-3675-40-1 can be seen below.