The WRCJV12-1910-1930-1990-2010-50-6 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 1.93 to 1.99 GHz, Insertion Loss 1 to 2 dB, Rejection 50 dB, VSWR 1.50:1, Center Frequency 1.96 GHz. Tags: Module with Connectors, Cavity Filter. More details for WRCJV12-1910-1930-1990-2010-50-6 can be seen below.