The WBCJV10-2528-2558-2628-2658-50 from Wainwright Instruments is a Band Pass Filter with Frequency 2.558 to 2.628 GHz, Bandwidth 70 MHz, Center Frequency 2.593 GHz, Insertion Loss 1.5 to 2.25 dB, Rejection 50 dB. Tags: Module with Connectors, Cavity Filter. More details for WBCJV10-2528-2558-2628-2658-50 can be seen below.