The WBCGV12-1785-1805-1880-1900-60-1 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 1.5 to 2.5 dB, Rejection 60 dB. Tags: Module with Connectors, Cavity Filter. More details for WBCGV12-1785-1805-1880-1900-60-1 can be seen below.