The WBCGV6-1820-1840-1870-1890-40 from Wainwright Instruments is a Band Pass Filter with Frequency 1.84 to 1.87 GHz, Bandwidth 30 MHz, Center Frequency 1.855 GHz, Insertion Loss 2 to 3 dB, Rejection 40 dB. Tags: Module with Connectors, Cavity Filter. More details for WBCGV6-1820-1840-1870-1890-40 can be seen below.