The WRCDG12+16-1838.9-1844.9-1879.9-1885.9-80 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 1.8449 to 1.8799 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+16-1838.9-1844.9-1879.9-1885.9-80 can be seen below.