The WBCGV8-1690-1710-1755-1775-50-1 from Wainwright Instruments is a Band Pass Filter with Frequency 1.71 to 1.755 GHz, Bandwidth 45 MHz, Center Frequency 1.7325 GHz, Insertion Loss 1.5 to 2.25 dB, Rejection 50 dB. Tags: Module with Connectors, Cavity Filter. More details for WBCGV8-1690-1710-1755-1775-50-1 can be seen below.