The WBCJV10-2470-2500-2570-2600-50-1 from Wainwright Instruments is a Band Pass Filter with Frequency 2.5 to 2.57 GHz, Bandwidth 70 MHz, Center Frequency 2.535 GHz, Insertion Loss 1.5 to 2.25 dB, Rejection 50 dB. Tags: Module with Connectors, Cavity Filter. More details for WBCJV10-2470-2500-2570-2600-50-1 can be seen below.