The WBCGV8-1840-1860-1900-1920-40 from Wainwright Instruments is a Band Pass Filter with Frequency 1.86 to 1.9 GHz, Bandwidth 40 MHz, Center Frequency 1.88 GHz, Insertion Loss 1.25 to 1.75 dB, Rejection 40 dB. Tags: Module with Connectors, Cavity Filter. More details for WBCGV8-1840-1860-1900-1920-40 can be seen below.