The WBCGV12-1700-1710-1770-1780-40-1 from Wainwright Instruments is a Band Pass Filter with Frequency 1.71 to 1.77 GHz, Bandwidth 60 MHz, Center Frequency 1.74 GHz, Insertion Loss 1.5 to 2.5 dB, Rejection 40 dB. Tags: Module with Connectors, Cavity Filter. More details for WBCGV12-1700-1710-1770-1780-40-1 can be seen below.