The WRCDG12+16-1705-1710-1785-1790-80-4 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 1.71 to 1.785 GHz, Bandwidth 75 MHz, Insertion Loss 2.25 to 4 dB, Rejection 80 dB, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter. More details for WRCDG12+16-1705-1710-1785-1790-80-4 can be seen below.