The WBCGV12-1695-1710-1785-1800-40-4 from Wainwright Instruments is a Band Pass Filter with Frequency 1.71 to 1.785 GHz, Bandwidth 75 MHz, Center Frequency 1.7475 GHz, Insertion Loss 1.5 to 2.5 dB, Rejection 40 dB. Tags: Module with Connectors, Cavity Filter. More details for WBCGV12-1695-1710-1785-1800-40-4 can be seen below.