The WBCGV12-2577.5-2587.5-2602.5-2612.5-50-2 from Wainwright Instruments is a Band Pass Filter with Frequency 2.5875 to 2.6025 GHz, Bandwidth 15 MHz, Center Frequency 2.595 GHz, Insertion Loss 4.25 to 5 dB, Rejection 50 dB. Tags: Module with Connectors, Cavity Filter. More details for WBCGV12-2577.5-2587.5-2602.5-2612.5-50-2 can be seen below.