The WBCGV5-1585-1710-1785-1910-50-2 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 0.5 to 0.75 dB, Rejection 50 dB. Tags: Module with Connectors, Cavity Filter. More details for WBCGV5-1585-1710-1785-1910-50-2 can be seen below.