The WBCGV8-1820-1850-1910-1940-50-3 from Wainwright Instruments is a Band Pass Filter with Frequency 1.85 to 1.91 GHz, Bandwidth 60 MHz, Center Frequency 1.88 GHz, Insertion Loss 1 to 1.75 dB, Rejection 50 dB. Tags: Module with Connectors, Cavity Filter. More details for WBCGV8-1820-1850-1910-1940-50-3 can be seen below.