The WBCGV6-1812.5-1832.5-1852.5-1872.5-40-2 from Wainwright Instruments is a Band Pass Filter with Frequency 1.8325 to 1.8525 GHz, Bandwidth 20 MHz, Center Frequency 1.8425 GHz, Insertion Loss 1.5 to 2 dB, Rejection 40 dB. Tags: Module with Connectors, Cavity Filter. More details for WBCGV6-1812.5-1832.5-1852.5-1872.5-40-2 can be seen below.