The WBCJV6-2508-2558-2628-2678-40 from Wainwright Instruments is a Band Pass Filter with Frequency 2.558 to 2.628 GHz, Bandwidth 70 MHz, Center Frequency 2.593 GHz, Insertion Loss 1.25 to 1.75 dB, Rejection 40 dB. Tags: Module with Connectors, Cavity Filter. More details for WBCJV6-2508-2558-2628-2678-40 can be seen below.