The WBCGV12-2517.5-2527.5-2542.5-2552.5-50-2 from Wainwright Instruments is a Band Pass Filter with Frequency 2.5275 to 2.5425 GHz, Bandwidth 15 MHz, Center Frequency 2.535 GHz, Insertion Loss 4.25 to 5 dB, Rejection 50 dB. Tags: Module with Connectors, Cavity Filter. More details for WBCGV12-2517.5-2527.5-2542.5-2552.5-50-2 can be seen below.