The WBCGV8-1785-1805-1880-1900-35-4 from Wainwright Instruments is a Band Pass Filter with Frequency 1.805 to 1.88 GHz, Bandwidth 75 MHz, Center Frequency 1.8425 GHz, Insertion Loss 1.25 to 2 dB, Rejection 35 dB. Tags: Module with Connectors, Cavity Filter. More details for WBCGV8-1785-1805-1880-1900-35-4 can be seen below.