The WBCTB8-2645-2650-2660-2665-40-2 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 2.25 to 3.25 dB, Rejection 40 dB. Tags: Module with Connectors, Cavity Filter. More details for WBCTB8-2645-2650-2660-2665-40-2 can be seen below.