The WBCGV6-1855-1875-1890-1910-40-1 from Wainwright Instruments is a Band Pass Filter with Frequency 1.875 to 1.89 GHz, Bandwidth 15 MHz, Center Frequency 1.8825 GHz, Insertion Loss 1.5 to 2 dB, Rejection 40 dB. Tags: Module with Connectors, Cavity Filter. More details for WBCGV6-1855-1875-1890-1910-40-1 can be seen below.