The WBCGV12-1862.5-1872.5-1887.5-1897.5-50-1 from Wainwright Instruments is a Band Pass Filter with Frequency 1.8725 to 1.8875 GHz, Bandwidth 15 MHz, Center Frequency 1.88 GHz, Insertion Loss 4.25 to 5 dB, Rejection 50 dB. Tags: Module with Connectors, Cavity Filter. More details for WBCGV12-1862.5-1872.5-1887.5-1897.5-50-1 can be seen below.