The WBCGV8-1820-1835-1850-1865-50-1 from Wainwright Instruments is a Band Pass Filter with Frequency 1.835 to 1.85 GHz, Bandwidth 15 MHz, Center Frequency 1.8425 GHz, Insertion Loss 2.5 to 3 dB, Rejection 50 dB. Tags: Module with Connectors, Cavity Filter. More details for WBCGV8-1820-1835-1850-1865-50-1 can be seen below.