The WBCJV6-2570-2620-2690-2740-40-2 from Wainwright Instruments is a Band Pass Filter with Frequency 2.62 to 2.69 GHz, Bandwidth 70 MHz, Center Frequency 2.655 GHz, Insertion Loss 1.25 to 1.75 dB, Rejection 40 dB. Tags: Module with Connectors, Cavity Filter. More details for WBCJV6-2570-2620-2690-2740-40-2 can be seen below.