The WRCTG12+16-1930-1935-1975-1980-80 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 1.935 to 1.975 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+16-1930-1935-1975-1980-80 can be seen below.