The WRCTG12+8-1918-1920-1980-1982-40-5 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 1.92 to 1.98 GHz, Insertion Loss 2 to 5 dB, Rejection 40 dB, VSWR 1.50:1, Center Frequency 1.95 GHz. Tags: Module with Connectors, Cavity Filter. More details for WRCTG12+8-1918-1920-1980-1982-40-5 can be seen below.