The WBCDB3-1942.5-1961-1964-1982.5-30 from Wainwright Instruments is a Band Pass Filter with Frequency 1.961 to 1.964 GHz, Bandwidth 3 MHz, Center Frequency 1.9625 GHz, Insertion Loss 1.25 to 1.5 dB, Rejection 30 dB. Tags: Module with Connectors, Cavity Filter. More details for WBCDB3-1942.5-1961-1964-1982.5-30 can be seen below.