The WBCTB3-2622.5-2652.5-2657.5-2687.5-40-3 from Wainwright Instruments is a Band Pass Filter with Frequency 2.6525 to 2.6575 GHz, Bandwidth 5 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 WBCTB3-2622.5-2652.5-2657.5-2687.5-40-3 can be seen below.