The WBCGV12-2637.5-2647.5-2662.5-2672.5-50-2 from Wainwright Instruments is a Band Pass Filter with Frequency 2.6475 to 2.6625 GHz, Bandwidth 15 MHz, Center Frequency 2.655 GHz, Insertion Loss 4.25 to 5 dB, Rejection 50 dB. Tags: Module with Connectors, Cavity Filter. More details for WBCGV12-2637.5-2647.5-2662.5-2672.5-50-2 can be seen below.