The WBCGV10-2518-2548-2638-2668-50 from Wainwright Instruments is a Band Pass Filter with Frequency 2.548 to 2.638 GHz, Bandwidth 90 MHz, Center Frequency 2.593 GHz, Insertion Loss 1 to 1.75 dB, Rejection 50 dB. Tags: Module with Connectors, Cavity Filter. More details for WBCGV10-2518-2548-2638-2668-50 can be seen below.