The WBCJV4-2605-2650-2660-2705-40-1 from Wainwright Instruments is a Band Pass Filter with Frequency 2.65 to 2.66 GHz, Bandwidth 10 MHz, Center Frequency 2.655 GHz, Insertion Loss 1.75 to 2 dB, Rejection 40 dB. Tags: Module with Connectors, Cavity Filter. More details for WBCJV4-2605-2650-2660-2705-40-1 can be seen below.