The WRCTG12+8-1928-1930-1990-1992-20-3 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 1.93 to 1.99 GHz, Insertion Loss 2 to 3.5 dB, Rejection 20 dB, VSWR 1.50:1, Center Frequency 1.96 GHz. Tags: Module with Connectors, Cavity Filter. More details for WRCTG12+8-1928-1930-1990-1992-20-3 can be seen below.