The WBCGV12-1902.5-1912.5-1927.5-1937.5-50-1 from Wainwright Instruments is a Band Pass Filter with Frequency 1.9125 to 1.9275 GHz, Bandwidth 15 MHz, Center Frequency 1.92 GHz, Insertion Loss 4.25 to 5 dB, Rejection 50 dB. Tags: Module with Connectors, Cavity Filter. More details for WBCGV12-1902.5-1912.5-1927.5-1937.5-50-1 can be seen below.