The WRCDG12+16-1743.9-1749.9-1784.9-1790.9-80 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 1.7499 to 1.7849 GHz, Bandwidth 35 MHz, Insertion Loss 2.25 to 3 dB, Rejection 80 dB, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter. More details for WRCDG12+16-1743.9-1749.9-1784.9-1790.9-80 can be seen below.