The WBCTB10-1905-1912.5-1932.5-1940-40-2 from Wainwright Instruments is a Band Pass Filter with Frequency 1.9125 to 1.9325 GHz, Bandwidth 20 MHz, Center Frequency 1.9225 GHz, Insertion Loss 2.5 to 3.5 dB, Rejection 40 dB. Tags: Module with Connectors, Cavity Filter. More details for WBCTB10-1905-1912.5-1932.5-1940-40-2 can be seen below.