The WBCGV12-1690-1710-1780-1800-60-2 from Wainwright Instruments is a Band Pass Filter with Frequency 1.71 to 1.78 GHz, Bandwidth 70 MHz, Center Frequency 1.745 GHz, Insertion Loss 1.75 to 2.75 dB, Rejection 60 dB. Tags: Module with Connectors, Cavity Filter. More details for WBCGV12-1690-1710-1780-1800-60-2 can be seen below.