The WBCJV4-2575-2645-2665-2735-40-2 from Wainwright Instruments is a Band Pass Filter with Frequency 2.645 to 2.665 GHz, Bandwidth 20 MHz, Center Frequency 2.655 GHz, Insertion Loss 1.25 to 1.5 dB, Rejection 40 dB. Tags: Module with Connectors, Cavity Filter. More details for WBCJV4-2575-2645-2665-2735-40-2 can be seen below.