The WBCGV12-2575.5-2585.5-2600.5-2610.5-50-1 from Wainwright Instruments is a Band Pass Filter with Frequency 2.5855 to 2.6005 GHz, Bandwidth 15 MHz, Center Frequency 2.593 GHz, Insertion Loss 4.25 to 5 dB, Rejection 50 dB. Tags: Module with Connectors, Cavity Filter. More details for WBCGV12-2575.5-2585.5-2600.5-2610.5-50-1 can be seen below.