The WBCGV6-1930-1950-1970-1990-40-4 from Wainwright Instruments is a Band Pass Filter with Frequency 1.95 to 1.97 GHz, Bandwidth 20 MHz, Center Frequency 1.96 GHz, Insertion Loss 1.5 to 2 dB, Rejection 40 dB. Tags: Module with Connectors, Cavity Filter. More details for WBCGV6-1930-1950-1970-1990-40-4 can be seen below.