The WRCJV12-1920-1930-1990-2000-35-6 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 1.93 to 1.99 GHz, Bandwidth 60 MHz, Insertion Loss 1 to 2.5 dB, Rejection 35 dB, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter. More details for WRCJV12-1920-1930-1990-2000-35-6 can be seen below.