The WBCTB8-2453-2553-2633-2733-60 from Wainwright Instruments is a Band Pass Filter with Frequency 2.553 to 2.633 GHz, Bandwidth 80 MHz, Center Frequency 2.593 GHz, Insertion Loss 1 to 1.25 dB, Rejection 60 dB. Tags: Module with Connectors, Cavity Filter. More details for WBCTB8-2453-2553-2633-2733-60 can be seen below.