The WRCGV8-1900-1920-1980-2000-40-3 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 1.92 to 1.98 GHz, Insertion Loss 0.75 to 1.5 dB, Rejection 40 dB, VSWR 1.50:1, Center Frequency 1.95 GHz. Tags: Module with Connectors, Cavity Filter. More details for WRCGV8-1900-1920-1980-2000-40-3 can be seen below.