The WBCGV8-1690-1710-1770-1790-40-1 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 to 1.75 dB, Rejection 40 dB. Tags: Module with Connectors, Cavity Filter. More details for WBCGV8-1690-1710-1770-1790-40-1 can be seen below.