The WBCGV10-1910-1930-1990-2010-50-4 from Wainwright Instruments is a Band Pass Filter with Frequency 1.93 to 1.99 GHz, Bandwidth 60 MHz, Center Frequency 1.96 GHz, Insertion Loss 1.25 to 2 dB, Rejection 50 dB. Tags: Module with Connectors, Cavity Filter. More details for WBCGV10-1910-1930-1990-2010-50-4 can be seen below.