The WRCTG12+16-1817.5-1822.5-1862.5-1867.5-80 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 1.8225 to 1.8625 GHz, Bandwidth 40 MHz, Insertion Loss 2 to 4 dB, Rejection 80 dB, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter. More details for WRCTG12+16-1817.5-1822.5-1862.5-1867.5-80 can be seen below.