The WRCGV8-1880-1900-1940-1960-40 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 1.9 to 1.94 GHz, Insertion Loss 0.75 to 1 dB, Rejection 40 dB, VSWR 1.50:1, Center Frequency 1.92 GHz. Tags: Module with Connectors, Cavity Filter. More details for WRCGV8-1880-1900-1940-1960-40 can be seen below.