The WBCGV12-2548-2563-2623-2638-60 from Wainwright Instruments is a Band Pass Filter with Frequency 2.563 to 2.623 GHz, Bandwidth 60 MHz, Center Frequency 2.593 GHz, Insertion Loss 1.5 to 2.5 dB, Rejection 60 dB. Tags: Module with Connectors, Cavity Filter. More details for WBCGV12-2548-2563-2623-2638-60 can be seen below.