The WBCTB3-1977.5-2007.5-2012.5-2042.5-40 from Wainwright Instruments is a Band Pass Filter with Frequency 2.0075 to 2.0125 GHz, Bandwidth 5 MHz, Center Frequency 2.01 GHz, Insertion Loss 1.25 to 1.75 dB, Rejection 40 dB. Tags: Module with Connectors, Cavity Filter. More details for WBCTB3-1977.5-2007.5-2012.5-2042.5-40 can be seen below.