The WBCGV6-1937.5-1957.5-1972.5-1992.5-40-2 from Wainwright Instruments is a Band Pass Filter with Frequency 1.9575 to 1.9725 GHz, Bandwidth 15 MHz, Center Frequency 1.965 GHz, Insertion Loss 1.5 to 2 dB, Rejection 40 dB. Tags: Module with Connectors, Cavity Filter. More details for WBCGV6-1937.5-1957.5-1972.5-1992.5-40-2 can be seen below.