The WBCGV8-2572.5-2587.5-2602.5-2617.5-50-1 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 2.5 to 3 dB, Rejection 50 dB. Tags: Module with Connectors, Cavity Filter. More details for WBCGV8-2572.5-2587.5-2602.5-2617.5-50-1 can be seen below.