The WRCDG12+16-1803-1805-1880-1882-40-1 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 1.805 to 1.88 GHz, Bandwidth 75 MHz, Insertion Loss 2.25 to 5 dB, Rejection 40 dB, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter. More details for WRCDG12+16-1803-1805-1880-1882-40-1 can be seen below.