The WBCGV12-1825-1835-1850-1860-50-1 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 4.25 to 5 dB, Rejection 50 dB. Tags: Module with Connectors, Cavity Filter. More details for WBCGV12-1825-1835-1850-1860-50-1 can be seen below.