The WBCGV12-1862.5-1872.5-1892.5-1902.5-50-1 from Wainwright Instruments is a Band Pass Filter with Frequency 1.8725 to 1.8925 GHz, Bandwidth 20 MHz, Center Frequency 1.8825 GHz, Insertion Loss 3.5 to 4.5 dB, Rejection 50 dB. Tags: Module with Connectors, Cavity Filter. More details for WBCGV12-1862.5-1872.5-1892.5-1902.5-50-1 can be seen below.