The WRCTG12+8-1820.5-1822.5-1862.5-1864.5-40 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 40 dB, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter. More details for WRCTG12+8-1820.5-1822.5-1862.5-1864.5-40 can be seen below.