The WBCGV6-1880-1900-1920-1940-40-3 from Wainwright Instruments is a Band Pass Filter with Frequency 1.9 to 1.92 GHz, Bandwidth 20 MHz, Center Frequency 1.91 GHz, Insertion Loss 1.5 to 2 dB, Rejection 40 dB. Tags: Module with Connectors, Cavity Filter. More details for WBCGV6-1880-1900-1920-1940-40-3 can be seen below.